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github-bot pushed a commit to branch gh-pages
in repository https://gitbox.apache.org/repos/asf/incubator-opendal.git


The following commit(s) were added to refs/heads/gh-pages by this push:
     new 2909b219 deploy: 01227cfbf06bb1f37694478f0b0c2f4a5f696131
2909b219 is described below

commit 2909b21927381fc8ac4289438733611ea13e8536
Author: Xuanwo <[email protected]>
AuthorDate: Thu May 4 11:13:52 2023 +0000

    deploy: 01227cfbf06bb1f37694478f0b0c2f4a5f696131
---
 404.html                                           |   4 +-
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 .../{c377a04b.c674b66c.js => c377a04b.f1a8fb5b.js} |   2 +-
 assets/js/runtime~main.a5067a2f.js                 |   1 -
 assets/js/runtime~main.e7f44ad2.js                 |   1 +
 blog/archive/index.html                            |   4 +-
 blog/index.html                                    |   4 +-
 blog/opendal-entered-apache-incubator/index.html   |   4 +-
 blog/tags/announcement/index.html                  |   4 +-
 blog/tags/index.html                               |   4 +-
 docs/index.html                                    |   6 +-
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 docs/nodejs/classes/Entry.html                     |   4 +-
 docs/nodejs/classes/Lister.html                    |   4 +-
 docs/nodejs/classes/Metadata.html                  |  18 +-
 docs/nodejs/classes/Operator.html                  |  56 +++---
 docs/nodejs/interfaces/PresignedRequest.html       |   8 +-
 docs/python/opendal.html                           |  30 ++--
 docs/python/search.js                              |   2 +-
 docs/rust/opendal/services/struct.Memcached.html   |  12 +-
 docs/rust/opendal/trait.Builder.html               |   2 +-
 .../src/opendal/services/memcached/ascii.rs.html   | 192 +++++++++++++--------
 .../src/opendal/services/memcached/backend.rs.html |  86 ++-------
 docs/vision/index.html                             |   6 +-
 index.html                                         |   4 +-
 25 files changed, 233 insertions(+), 231 deletions(-)

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aria-expanded="false" class="navbar__toggle clean-btn" type="button"><svg 
width="30" height="30" viewBox="0 0 30 30" aria-hidden="true"><path 
stroke="currentColor" stroke-linecap="roun [...]
-<script src="/assets/js/runtime~main.a5067a2f.js"></script>
+<div role="region" aria-label="Skip to main content"><a 
class="skipToContent_fXgn" href="#docusaurus_skipToContent_fallback">Skip to 
main content</a></div><nav aria-label="Main" class="navbar 
navbar--fixed-top"><div class="navbar__inner"><div 
class="navbar__items"><button aria-label="Toggle navigation bar" 
aria-expanded="false" class="navbar__toggle clean-btn" type="button"><svg 
width="30" height="30" viewBox="0 0 30 30" aria-hidden="true"><path 
stroke="currentColor" stroke-linecap="roun [...]
+<script src="/assets/js/runtime~main.e7f44ad2.js"></script>
 <script src="/assets/js/main.e8563114.js"></script>
 </body>
 </html>
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diff --git a/docs/nodejs/classes/BlockingLister.html 
b/docs/nodejs/classes/BlockingLister.html
index 016bd249..a2f48874 100644
--- a/docs/nodejs/classes/BlockingLister.html
+++ b/docs/nodejs/classes/BlockingLister.html
@@ -20,7 +20,7 @@
 <ul class="tsd-hierarchy">
 <li><span class="target">BlockingLister</span></li></ul></section><aside 
class="tsd-sources">
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-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L417";>index.d.ts:417</a></li></ul></aside>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L417";>index.d.ts:417</a></li></ul></aside>
 <section class="tsd-panel-group tsd-index-group">
 <section class="tsd-panel tsd-index-panel">
 <details class="tsd-index-content tsd-index-accordion" open><summary 
class="tsd-accordion-summary tsd-index-summary">
@@ -51,7 +51,7 @@
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 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">null</span><span class="tsd-signature-symbol"> | 
</span><a href="Entry.html" class="tsd-signature-type" 
data-tsd-kind="Class">Entry</a></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L418";>index.d.ts:418</a></li></ul></aside></li></ul></section></section></div>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L418";>index.d.ts:418</a></li></ul></aside></li></ul></section></section></div>
 <div class="col-4 col-menu menu-sticky-wrap menu-highlight">
 <div class="tsd-navigation settings">
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diff --git a/docs/nodejs/classes/Entry.html b/docs/nodejs/classes/Entry.html
index f1880bb7..cdd35dff 100644
--- a/docs/nodejs/classes/Entry.html
+++ b/docs/nodejs/classes/Entry.html
@@ -20,7 +20,7 @@
 <ul class="tsd-hierarchy">
 <li><span class="target">Entry</span></li></ul></section><aside 
class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L380";>index.d.ts:380</a></li></ul></aside>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L380";>index.d.ts:380</a></li></ul></aside>
 <section class="tsd-panel-group tsd-index-group">
 <section class="tsd-panel tsd-index-panel">
 <details class="tsd-index-content tsd-index-accordion" open><summary 
class="tsd-accordion-summary tsd-index-summary">
@@ -53,7 +53,7 @@
 </div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">string</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L382";>index.d.ts:382</a></li></ul></aside></li></ul></section></section></div>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L382";>index.d.ts:382</a></li></ul></aside></li></ul></section></section></div>
 <div class="col-4 col-menu menu-sticky-wrap menu-highlight">
 <div class="tsd-navigation settings">
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diff --git a/docs/nodejs/classes/Lister.html b/docs/nodejs/classes/Lister.html
index 882c3d38..cfa32412 100644
--- a/docs/nodejs/classes/Lister.html
+++ b/docs/nodejs/classes/Lister.html
@@ -20,7 +20,7 @@
 <ul class="tsd-hierarchy">
 <li><span class="target">Lister</span></li></ul></section><aside 
class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L406";>index.d.ts:406</a></li></ul></aside>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L406";>index.d.ts:406</a></li></ul></aside>
 <section class="tsd-panel-group tsd-index-group">
 <section class="tsd-panel tsd-index-panel">
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class="tsd-accordion-summary tsd-index-summary">
@@ -61,7 +61,7 @@ thing internally.</p>
 </div>
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class="tsd-signature-type">Promise</span><span 
class="tsd-signature-symbol">&lt;</span><span 
class="tsd-signature-type">null</span><span class="tsd-signature-symbol"> | 
</span><a href="Entry.html" class="tsd-signature-type" 
data-tsd-kind="Class">Entry</a><span 
class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L415";>index.d.ts:415</a></li></ul></aside></li></ul></section></section></div>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L415";>index.d.ts:415</a></li></ul></aside></li></ul></section></section></div>
 <div class="col-4 col-menu menu-sticky-wrap menu-highlight">
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diff --git a/docs/nodejs/classes/Metadata.html 
b/docs/nodejs/classes/Metadata.html
index e54fd5e3..9d4c28aa 100644
--- a/docs/nodejs/classes/Metadata.html
+++ b/docs/nodejs/classes/Metadata.html
@@ -20,7 +20,7 @@
 <ul class="tsd-hierarchy">
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class="tsd-sources">
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href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L384";>index.d.ts:384</a></li></ul></aside>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L384";>index.d.ts:384</a></li></ul></aside>
 <section class="tsd-panel-group tsd-index-group">
 <section class="tsd-panel tsd-index-panel">
 <details class="tsd-index-content tsd-index-accordion" open><summary 
class="tsd-accordion-summary tsd-index-summary">
@@ -63,7 +63,7 @@
 </div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">null</span><span class="tsd-signature-symbol"> | 
</span><span class="tsd-signature-type">string</span></h4><aside 
class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L390";>index.d.ts:390</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L390";>index.d.ts:390</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-accessor 
tsd-parent-kind-class"><a id="contentLength" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>content<wbr/>Length</span><a 
href="#contentLength" aria-label="Permalink" class="tsd-anchor-icon"><svg 
class="icon icon-tabler icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" 
stroke="currentColor" fill="none" stroke-linecap="round" 
stroke-linejoin="round"><use href="#icon-anchor-a"></use><use 
href="#icon-anchor-b"></use><use href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-accessor tsd-parent-kind-class">
@@ -73,7 +73,7 @@
 </div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">null</span><span class="tsd-signature-symbol"> | 
</span><span class="tsd-signature-type">bigint</span></h4><aside 
class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L392";>index.d.ts:392</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L392";>index.d.ts:392</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-accessor 
tsd-parent-kind-class"><a id="contentMd5" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>content<wbr/>Md5</span><a href="#contentMd5" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-accessor tsd-parent-kind-class">
@@ -83,7 +83,7 @@
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class="tsd-signature-type">null</span><span class="tsd-signature-symbol"> | 
</span><span class="tsd-signature-type">string</span></h4><aside 
class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L394";>index.d.ts:394</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L394";>index.d.ts:394</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-accessor 
tsd-parent-kind-class"><a id="contentType" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>content<wbr/>Type</span><a 
href="#contentType" aria-label="Permalink" class="tsd-anchor-icon"><svg 
class="icon icon-tabler icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" 
stroke="currentColor" fill="none" stroke-linecap="round" 
stroke-linejoin="round"><use href="#icon-anchor-a"></use><use 
href="#icon-anchor-b"></use><use href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-accessor tsd-parent-kind-class">
@@ -93,7 +93,7 @@
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 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">null</span><span class="tsd-signature-symbol"> | 
</span><span class="tsd-signature-type">string</span></h4><aside 
class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L396";>index.d.ts:396</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L396";>index.d.ts:396</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-accessor 
tsd-parent-kind-class"><a id="etag" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>etag</span><a href="#etag" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-accessor tsd-parent-kind-class">
@@ -103,7 +103,7 @@
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 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">null</span><span class="tsd-signature-symbol"> | 
</span><span class="tsd-signature-type">string</span></h4><aside 
class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L398";>index.d.ts:398</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L398";>index.d.ts:398</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-accessor 
tsd-parent-kind-class"><a id="lastModified" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>last<wbr/>Modified</span><a 
href="#lastModified" aria-label="Permalink" class="tsd-anchor-icon"><svg 
class="icon icon-tabler icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" 
stroke="currentColor" fill="none" stroke-linecap="round" 
stroke-linejoin="round"><use href="#icon-anchor-a"></use><use 
href="#icon-anchor-b"></use><use href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-accessor tsd-parent-kind-class">
@@ -114,7 +114,7 @@
 </div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">null</span><span class="tsd-signature-symbol"> | 
</span><span class="tsd-signature-type">string</span></h4><aside 
class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L404";>index.d.ts:404</a></li></ul></aside></li></ul></section></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L404";>index.d.ts:404</a></li></ul></aside></li></ul></section></section>
 <section class="tsd-panel-group tsd-member-group">
 <h2>Methods</h2>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="isDirectory" class="tsd-anchor"></a>
@@ -126,7 +126,7 @@
 </div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">boolean</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L386";>index.d.ts:386</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L386";>index.d.ts:386</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="isFile" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>is<wbr/>File</span><a href="#isFile" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -136,7 +136,7 @@
 </div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">boolean</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L388";>index.d.ts:388</a></li></ul></aside></li></ul></section></section></div>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L388";>index.d.ts:388</a></li></ul></aside></li></ul></section></section></div>
 <div class="col-4 col-menu menu-sticky-wrap menu-highlight">
 <div class="tsd-navigation settings">
 <details class="tsd-index-accordion"><summary class="tsd-accordion-summary">
diff --git a/docs/nodejs/classes/Operator.html 
b/docs/nodejs/classes/Operator.html
index a4b4d94a..bb3110da 100644
--- a/docs/nodejs/classes/Operator.html
+++ b/docs/nodejs/classes/Operator.html
@@ -20,7 +20,7 @@
 <ul class="tsd-hierarchy">
 <li><span class="target">Operator</span></li></ul></section><aside 
class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L33";>index.d.ts:33</a></li></ul></aside>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L33";>index.d.ts:33</a></li></ul></aside>
 <section class="tsd-panel-group tsd-index-group">
 <section class="tsd-panel tsd-index-panel">
 <details class="tsd-index-content tsd-index-accordion" open><summary 
class="tsd-accordion-summary tsd-index-summary">
@@ -75,7 +75,7 @@
 <h5><code class="tsd-tag ts-flagOptional">Optional</code> options: <span 
class="tsd-signature-type">null</span><span class="tsd-signature-symbol"> | 
</span><span class="tsd-signature-type">Record</span><span 
class="tsd-signature-symbol">&lt;</span><span 
class="tsd-signature-type">string</span><span class="tsd-signature-symbol">, 
</span><span class="tsd-signature-type">string</span><span 
class="tsd-signature-symbol">&gt;</span></h5></li></ul></div>
 <h4 class="tsd-returns-title">Returns <a href="Operator.html" 
class="tsd-signature-type" data-tsd-kind="Class">Operator</a></h4><aside 
class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L34";>index.d.ts:34</a></li></ul></aside></li></ul></section></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L34";>index.d.ts:34</a></li></ul></aside></li></ul></section></section>
 <section class="tsd-panel-group tsd-member-group">
 <h2>Methods</h2>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="check" class="tsd-anchor"></a>
@@ -94,7 +94,7 @@
 </div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">Promise</span><span 
class="tsd-signature-symbol">&lt;</span><span 
class="tsd-signature-type">void</span><span 
class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L77";>index.d.ts:77</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L77";>index.d.ts:77</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="copy" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>copy</span><a href="#copy" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -117,7 +117,7 @@
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 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">Promise</span><span 
class="tsd-signature-symbol">&lt;</span><span 
class="tsd-signature-type">void</span><span 
class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L162";>index.d.ts:162</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L162";>index.d.ts:162</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="copySync" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>copy<wbr/>Sync</span><a href="#copySync" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -140,7 +140,7 @@
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 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">void</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L171";>index.d.ts:171</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L171";>index.d.ts:171</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="createDir" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>create<wbr/>Dir</span><a href="#createDir" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -161,7 +161,7 @@
 <h5>path: <span class="tsd-signature-type">string</span></h5></li></ul></div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">Promise</span><span 
class="tsd-signature-symbol">&lt;</span><span 
class="tsd-signature-type">void</span><span 
class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L104";>index.d.ts:104</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L104";>index.d.ts:104</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="createDirSync" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>create<wbr/>Dir<wbr/>Sync</span><a 
href="#createDirSync" aria-label="Permalink" class="tsd-anchor-icon"><svg 
class="icon icon-tabler icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" 
stroke="currentColor" fill="none" stroke-linecap="round" 
stroke-linejoin="round"><use href="#icon-anchor-a"></use><use 
href="#icon-anchor-b"></use><use href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -182,7 +182,7 @@
 <h5>path: <span class="tsd-signature-type">string</span></h5></li></ul></div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">void</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L113";>index.d.ts:113</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L113";>index.d.ts:113</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="delete" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>delete</span><a href="#delete" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -208,7 +208,7 @@
 <h5>path: <span class="tsd-signature-type">string</span></h5></li></ul></div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">Promise</span><span 
class="tsd-signature-symbol">&lt;</span><span 
class="tsd-signature-type">void</span><span 
class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L251";>index.d.ts:251</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L251";>index.d.ts:251</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="deleteSync" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>delete<wbr/>Sync</span><a href="#deleteSync" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -229,7 +229,7 @@
 <h5>path: <span class="tsd-signature-type">string</span></h5></li></ul></div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">void</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L260";>index.d.ts:260</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L260";>index.d.ts:260</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="isExist" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>is<wbr/>Exist</span><a href="#isExist" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -250,7 +250,7 @@
 <h5>path: <span class="tsd-signature-type">string</span></h5></li></ul></div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">Promise</span><span 
class="tsd-signature-symbol">&lt;</span><span 
class="tsd-signature-type">boolean</span><span 
class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L86";>index.d.ts:86</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L86";>index.d.ts:86</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="isExistSync" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>is<wbr/>Exist<wbr/>Sync</span><a 
href="#isExistSync" aria-label="Permalink" class="tsd-anchor-icon"><svg 
class="icon icon-tabler icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" 
stroke="currentColor" fill="none" stroke-linecap="round" 
stroke-linejoin="round"><use href="#icon-anchor-a"></use><use 
href="#icon-anchor-b"></use><use href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -271,7 +271,7 @@
 <h5>path: <span class="tsd-signature-type">string</span></h5></li></ul></div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">boolean</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L95";>index.d.ts:95</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L95";>index.d.ts:95</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="list" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>list</span><a href="#list" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -294,7 +294,7 @@
 <h5>path: <span class="tsd-signature-type">string</span></h5></li></ul></div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">Promise</span><span 
class="tsd-signature-symbol">&lt;</span><a href="Lister.html" 
class="tsd-signature-type" data-tsd-kind="Class">Lister</a><span 
class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L307";>index.d.ts:307</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L307";>index.d.ts:307</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="listSync" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>list<wbr/>Sync</span><a href="#listSync" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -317,7 +317,7 @@
 <h5>path: <span class="tsd-signature-type">string</span></h5></li></ul></div>
 <h4 class="tsd-returns-title">Returns <a href="BlockingLister.html" 
class="tsd-signature-type" data-tsd-kind="Class">BlockingLister</a></h4><aside 
class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L330";>index.d.ts:330</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L330";>index.d.ts:330</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="presignRead" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>presign<wbr/>Read</span><a 
href="#presignRead" aria-label="Permalink" class="tsd-anchor-icon"><svg 
class="icon icon-tabler icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" 
stroke="currentColor" fill="none" stroke-linecap="round" 
stroke-linejoin="round"><use href="#icon-anchor-a"></use><use 
href="#icon-anchor-b"></use><use href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -341,7 +341,7 @@
 <h5>expires: <span 
class="tsd-signature-type">number</span></h5></li></ul></div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">Promise</span><span 
class="tsd-signature-symbol">&lt;</span><a 
href="../interfaces/PresignedRequest.html" class="tsd-signature-type" 
data-tsd-kind="Interface">PresignedRequest</a><span 
class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L346";>index.d.ts:346</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L346";>index.d.ts:346</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="presignStat" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>presign<wbr/>Stat</span><a 
href="#presignStat" aria-label="Permalink" class="tsd-anchor-icon"><svg 
class="icon icon-tabler icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" 
stroke="currentColor" fill="none" stroke-linecap="round" 
stroke-linejoin="round"><use href="#icon-anchor-a"></use><use 
href="#icon-anchor-b"></use><use href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -365,7 +365,7 @@
 <h5>expires: <span 
class="tsd-signature-type">number</span></h5></li></ul></div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">Promise</span><span 
class="tsd-signature-symbol">&lt;</span><a 
href="../interfaces/PresignedRequest.html" class="tsd-signature-type" 
data-tsd-kind="Interface">PresignedRequest</a><span 
class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L378";>index.d.ts:378</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L378";>index.d.ts:378</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="presignWrite" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>presign<wbr/>Write</span><a 
href="#presignWrite" aria-label="Permalink" class="tsd-anchor-icon"><svg 
class="icon icon-tabler icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" 
stroke="currentColor" fill="none" stroke-linecap="round" 
stroke-linejoin="round"><use href="#icon-anchor-a"></use><use 
href="#icon-anchor-b"></use><use href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -389,7 +389,7 @@
 <h5>expires: <span 
class="tsd-signature-type">number</span></h5></li></ul></div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">Promise</span><span 
class="tsd-signature-symbol">&lt;</span><a 
href="../interfaces/PresignedRequest.html" class="tsd-signature-type" 
data-tsd-kind="Interface">PresignedRequest</a><span 
class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L362";>index.d.ts:362</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L362";>index.d.ts:362</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="read" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>read</span><a href="#read" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -410,7 +410,7 @@
 <h5>path: <span class="tsd-signature-type">string</span></h5></li></ul></div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">Promise</span><span 
class="tsd-signature-symbol">&lt;</span><span 
class="tsd-signature-type">Buffer</span><span 
class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L122";>index.d.ts:122</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L122";>index.d.ts:122</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="readSync" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>read<wbr/>Sync</span><a href="#readSync" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -431,7 +431,7 @@
 <h5>path: <span class="tsd-signature-type">string</span></h5></li></ul></div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">Buffer</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L131";>index.d.ts:131</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L131";>index.d.ts:131</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="remove" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>remove</span><a href="#remove" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -457,7 +457,7 @@
 <h5>paths: <span class="tsd-signature-type">string</span><span 
class="tsd-signature-symbol">[]</span></h5></li></ul></div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">Promise</span><span 
class="tsd-signature-symbol">&lt;</span><span 
class="tsd-signature-type">void</span><span 
class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L272";>index.d.ts:272</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L272";>index.d.ts:272</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="removeAll" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>remove<wbr/>All</span><a href="#removeAll" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -483,7 +483,7 @@
 <h5>path: <span class="tsd-signature-type">string</span></h5></li></ul></div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">Promise</span><span 
class="tsd-signature-symbol">&lt;</span><span 
class="tsd-signature-type">void</span><span 
class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L284";>index.d.ts:284</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L284";>index.d.ts:284</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="rename" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>rename</span><a href="#rename" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -507,7 +507,7 @@
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 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">Promise</span><span 
class="tsd-signature-symbol">&lt;</span><span 
class="tsd-signature-type">void</span><span 
class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L182";>index.d.ts:182</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L182";>index.d.ts:182</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="renameSync" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>rename<wbr/>Sync</span><a href="#renameSync" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -531,7 +531,7 @@
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 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">void</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L193";>index.d.ts:193</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L193";>index.d.ts:193</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="scan" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>scan</span><a href="#scan" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
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 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -554,7 +554,7 @@
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class="tsd-signature-type">Promise</span><span 
class="tsd-signature-symbol">&lt;</span><a href="Lister.html" 
class="tsd-signature-type" data-tsd-kind="Class">Lister</a><span 
class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L216";>index.d.ts:216</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L216";>index.d.ts:216</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="scanSync" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>scan<wbr/>Sync</span><a href="#scanSync" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
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href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -577,7 +577,7 @@
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 <h4 class="tsd-returns-title">Returns <a href="BlockingLister.html" 
class="tsd-signature-type" data-tsd-kind="Class">BlockingLister</a></h4><aside 
class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L239";>index.d.ts:239</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L239";>index.d.ts:239</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="stat" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>stat</span><a href="#stat" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -608,7 +608,7 @@
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 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">Promise</span><span 
class="tsd-signature-symbol">&lt;</span><a href="Metadata.html" 
class="tsd-signature-type" data-tsd-kind="Class">Metadata</a><span 
class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L54";>index.d.ts:54</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L54";>index.d.ts:54</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="statSync" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>stat<wbr/>Sync</span><a href="#statSync" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -629,7 +629,7 @@
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 <h4 class="tsd-returns-title">Returns <a href="Metadata.html" 
class="tsd-signature-type" data-tsd-kind="Class">Metadata</a></h4><aside 
class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L66";>index.d.ts:66</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L66";>index.d.ts:66</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="write" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>write</span><a href="#write" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -652,7 +652,7 @@
 <h5>content: <span class="tsd-signature-type">string</span><span 
class="tsd-signature-symbol"> | </span><span 
class="tsd-signature-type">Buffer</span></h5></li></ul></div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">Promise</span><span 
class="tsd-signature-symbol">&lt;</span><span 
class="tsd-signature-type">void</span><span 
class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L142";>index.d.ts:142</a></li></ul></aside></li></ul></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L142";>index.d.ts:142</a></li></ul></aside></li></ul></section>
 <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"><a 
id="writeSync" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>write<wbr/>Sync</span><a href="#writeSync" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
@@ -675,7 +675,7 @@
 <h5>content: <span class="tsd-signature-type">string</span><span 
class="tsd-signature-symbol"> | </span><span 
class="tsd-signature-type">Buffer</span></h5></li></ul></div>
 <h4 class="tsd-returns-title">Returns <span 
class="tsd-signature-type">void</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L153";>index.d.ts:153</a></li></ul></aside></li></ul></section></section></div>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L153";>index.d.ts:153</a></li></ul></aside></li></ul></section></section></div>
 <div class="col-4 col-menu menu-sticky-wrap menu-highlight">
 <div class="tsd-navigation settings">
 <details class="tsd-index-accordion"><summary class="tsd-accordion-summary">
diff --git a/docs/nodejs/interfaces/PresignedRequest.html 
b/docs/nodejs/interfaces/PresignedRequest.html
index 49671e7a..af19e1fd 100644
--- a/docs/nodejs/interfaces/PresignedRequest.html
+++ b/docs/nodejs/interfaces/PresignedRequest.html
@@ -20,7 +20,7 @@
 <ul class="tsd-hierarchy">
 <li><span class="target">PresignedRequest</span></li></ul></section><aside 
class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L25";>index.d.ts:25</a></li></ul></aside>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L25";>index.d.ts:25</a></li></ul></aside>
 <section class="tsd-panel-group tsd-index-group">
 <section class="tsd-panel tsd-index-panel">
 <details class="tsd-index-content tsd-index-accordion" open><summary 
class="tsd-accordion-summary tsd-index-summary">
@@ -40,21 +40,21 @@
 <div class="tsd-comment tsd-typography"><p>HTTP headers of this request.</p>
 </div><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L31";>index.d.ts:31</a></li></ul></aside></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L31";>index.d.ts:31</a></li></ul></aside></section>
 <section class="tsd-panel tsd-member tsd-kind-property 
tsd-parent-kind-interface"><a id="method" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>method</span><a href="#method" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <div class="tsd-signature">method<span class="tsd-signature-symbol">:</span> 
<span class="tsd-signature-type">string</span></div>
 <div class="tsd-comment tsd-typography"><p>HTTP method of this request.</p>
 </div><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L27";>index.d.ts:27</a></li></ul></aside></section>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L27";>index.d.ts:27</a></li></ul></aside></section>
 <section class="tsd-panel tsd-member tsd-kind-property 
tsd-parent-kind-interface"><a id="url" class="tsd-anchor"></a>
 <h3 class="tsd-anchor-link"><span>url</span><a href="#url" 
aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler 
icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" 
fill="none" stroke-linecap="round" stroke-linejoin="round"><use 
href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use 
href="#icon-anchor-c"></use></svg></a></h3>
 <div class="tsd-signature">url<span class="tsd-signature-symbol">:</span> 
<span class="tsd-signature-type">string</span></div>
 <div class="tsd-comment tsd-typography"><p>URL of this request.</p>
 </div><aside class="tsd-sources">
 <ul>
-<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/0a6fc13/bindings/nodejs/index.d.ts#L29";>index.d.ts:29</a></li></ul></aside></section></section></div>
+<li>Defined in <a 
href="https://github.com/apache/incubator-opendal/blob/01227cf/bindings/nodejs/index.d.ts#L29";>index.d.ts:29</a></li></ul></aside></section></section></div>
 <div class="col-4 col-menu menu-sticky-wrap menu-highlight">
 <div class="tsd-navigation settings">
 <details class="tsd-index-accordion"><summary class="tsd-accordion-summary">
diff --git a/docs/python/opendal.html b/docs/python/opendal.html
index e2305264..20de675d 100644
--- a/docs/python/opendal.html
+++ b/docs/python/opendal.html
@@ -156,10 +156,10 @@
                     <a class="class" href="#Metadata">Metadata</a>
                             <ul class="memberlist">
                         <li>
-                                <a class="variable" 
href="#Metadata.content_length">content_length</a>
+                                <a class="variable" 
href="#Metadata.content_type">content_type</a>
                         </li>
                         <li>
-                                <a class="variable" 
href="#Metadata.content_type">content_type</a>
+                                <a class="variable" 
href="#Metadata.content_md5">content_md5</a>
                         </li>
                         <li>
                                 <a class="variable" 
href="#Metadata.etag">etag</a>
@@ -168,7 +168,7 @@
                                 <a class="variable" 
href="#Metadata.mode">mode</a>
                         </li>
                         <li>
-                                <a class="variable" 
href="#Metadata.content_md5">content_md5</a>
+                                <a class="variable" 
href="#Metadata.content_length">content_length</a>
                         </li>
                 </ul>
 
@@ -852,28 +852,28 @@ The default value for whence is <code>SEEK_SET</code>. 
Values for <code>whence</
     
     
 
-                            <div id="Metadata.content_length" 
class="classattr">
+                            <div id="Metadata.content_type" class="classattr">
                                 <div class="attr variable">
-            <span class="name">content_length</span><span class="annotation">: 
int</span>
+            <span class="name">content_type</span><span class="annotation">: 
Optional[str]</span>
 
         
     </div>
-    <a class="headerlink" href="#Metadata.content_length"></a>
+    <a class="headerlink" href="#Metadata.content_type"></a>
     
-            <div class="docstring"><p>Content length of this entry.</p>
+            <div class="docstring"><p>Content Type of this entry.</p>
 </div>
 
 
                             </div>
-                            <div id="Metadata.content_type" class="classattr">
+                            <div id="Metadata.content_md5" class="classattr">
                                 <div class="attr variable">
-            <span class="name">content_type</span><span class="annotation">: 
Optional[str]</span>
+            <span class="name">content_md5</span><span class="annotation">: 
Optional[str]</span>
 
         
     </div>
-    <a class="headerlink" href="#Metadata.content_type"></a>
+    <a class="headerlink" href="#Metadata.content_md5"></a>
     
-            <div class="docstring"><p>Content Type of this entry.</p>
+            <div class="docstring"><p>Content MD5 of this entry.</p>
 </div>
 
 
@@ -904,15 +904,15 @@ The default value for whence is <code>SEEK_SET</code>. 
Values for <code>whence</
 
 
                             </div>
-                            <div id="Metadata.content_md5" class="classattr">
+                            <div id="Metadata.content_length" 
class="classattr">
                                 <div class="attr variable">
-            <span class="name">content_md5</span><span class="annotation">: 
Optional[str]</span>
+            <span class="name">content_length</span><span class="annotation">: 
int</span>
 
         
     </div>
-    <a class="headerlink" href="#Metadata.content_md5"></a>
+    <a class="headerlink" href="#Metadata.content_length"></a>
     
-            <div class="docstring"><p>Content MD5 of this entry.</p>
+            <div class="docstring"><p>Content length of this entry.</p>
 </div>
 
 
diff --git a/docs/python/search.js b/docs/python/search.js
index 97d2d1a7..75e00fe6 100644
--- a/docs/python/search.js
+++ b/docs/python/search.js
@@ -1,6 +1,6 @@
 window.pdocSearch = (function(){
 /** elasticlunr - http://weixsong.github.io * Copyright (C) 2017 Oliver 
Nightingale * Copyright (C) 2017 Wei Song * MIT Licensed */!function(){function 
e(e){if(null===e||"object"!=typeof e)return e;var t=e.constructor();for(var n 
in e)e.hasOwnProperty(n)&&(t[n]=e[n]);return t}var t=function(e){var n=new 
t.Index;return 
n.pipeline.add(t.trimmer,t.stopWordFilter,t.stemmer),e&&e.call(n,n),n};t.version="0.9.5",lunr=t,t.utils={},t.utils.warn=function(e){return
 function(t){e.console&&console.wa [...]
-    /** pdoc search index */const docs = {"version": "0.9.5", "fields": 
["qualname", "fullname", "annotation", "default_value", "signature", "bases", 
"doc"], "ref": "fullname", "documentStore": {"docs": {"opendal": {"fullname": 
"opendal", "modulename": "opendal", "kind": "module", "doc": "<p>OpenDAL Python 
binding</p>\n\n<h2 id=\"installation\">Installation</h2>\n\n<div 
class=\"pdoc-code codehilite\">\n<pre><span></span><code>pip<span class=\"w\"> 
</span>install<span class=\"w\"> </span> [...]
+    /** pdoc search index */const docs = {"version": "0.9.5", "fields": 
["qualname", "fullname", "annotation", "default_value", "signature", "bases", 
"doc"], "ref": "fullname", "documentStore": {"docs": {"opendal": {"fullname": 
"opendal", "modulename": "opendal", "kind": "module", "doc": "<p>OpenDAL Python 
binding</p>\n\n<h2 id=\"installation\">Installation</h2>\n\n<div 
class=\"pdoc-code codehilite\">\n<pre><span></span><code>pip<span class=\"w\"> 
</span>install<span class=\"w\"> </span> [...]
 
     // mirrored in build-search-index.js (part 1)
     // Also split on html tags. this is a cheap heuristic, but good enough.
diff --git a/docs/rust/opendal/services/struct.Memcached.html 
b/docs/rust/opendal/services/struct.Memcached.html
index 5b1f3952..56e64363 100644
--- a/docs/rust/opendal/services/struct.Memcached.html
+++ b/docs/rust/opendal/services/struct.Memcached.html
@@ -1,4 +1,4 @@
-<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta 
name="viewport" content="width=device-width, initial-scale=1.0"><meta 
name="generator" content="rustdoc"><meta name="description" content="Memcached 
service support."><title>Memcached in opendal::services - Rust</title><link 
rel="preload" as="font" type="font/woff2" crossorigin 
href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link 
rel="preload" as="font" type="font/woff2" crossorigin href="../../st [...]
+<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta 
name="viewport" content="width=device-width, initial-scale=1.0"><meta 
name="generator" content="rustdoc"><meta name="description" content="Memcached 
service support."><title>Memcached in opendal::services - Rust</title><link 
rel="preload" as="font" type="font/woff2" crossorigin 
href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link 
rel="preload" as="font" type="font/woff2" crossorigin href="../../st [...]
 <h2 id="capabilities"><a href="#capabilities">Capabilities</a></h2>
 <p>This service can be used to:</p>
 <ul>
@@ -38,14 +38,14 @@ blocking</li>
     <span class="kw">let _</span>: Object = op.object(<span 
class="string">&quot;test_file&quot;</span>);
     <span class="prelude-val">Ok</span>(())
 }</code></pre></div>
-</div></details><h2 id="implementations" 
class="small-section-header">Implementations<a href="#implementations" 
class="anchor">§</a></h2><div id="implementations-list"><details class="toggle 
implementors-toggle" open><summary><section id="impl-MemcachedBuilder" 
class="impl"><a class="srclink rightside" 
href="../../src/opendal/services/memcached/backend.rs.html#88-114">source</a><a 
href="#impl-MemcachedBuilder" class="anchor">§</a><h3 class="code-header">impl 
<a class="struct" href="struc [...]
+</div></details><h2 id="implementations" 
class="small-section-header">Implementations<a href="#implementations" 
class="anchor">§</a></h2><div id="implementations-list"><details class="toggle 
implementors-toggle" open><summary><section id="impl-MemcachedBuilder" 
class="impl"><a class="srclink rightside" 
href="../../src/opendal/services/memcached/backend.rs.html#87-113">source</a><a 
href="#impl-MemcachedBuilder" class="anchor">§</a><h3 class="code-header">impl 
<a class="struct" href="struc [...]
 <p>For example: “tcp://localhost:11211”</p>
-</div></details><details class="toggle method-toggle" open><summary><section 
id="method.root" class="method"><a class="srclink rightside" 
href="../../src/opendal/services/memcached/backend.rs.html#102-107">source</a><h4
 class="code-header">pub fn <a href="#method.root" class="fn">root</a>(&amp;mut 
self, root: &amp;<a class="primitive" 
href="https://doc.rust-lang.org/1.69.0/std/primitive.str.html";>str</a>) -&gt; 
<a class="primitive" href="https://doc.rust-lang.org/1.69.0/std/primitive.ref 
[...]
+</div></details><details class="toggle method-toggle" open><summary><section 
id="method.root" class="method"><a class="srclink rightside" 
href="../../src/opendal/services/memcached/backend.rs.html#101-106">source</a><h4
 class="code-header">pub fn <a href="#method.root" class="fn">root</a>(&amp;mut 
self, root: &amp;<a class="primitive" 
href="https://doc.rust-lang.org/1.69.0/std/primitive.str.html";>str</a>) -&gt; 
<a class="primitive" href="https://doc.rust-lang.org/1.69.0/std/primitive.ref 
[...]
 <p>default: “/”</p>
-</div></details><details class="toggle method-toggle" open><summary><section 
id="method.default_ttl" class="method"><a class="srclink rightside" 
href="../../src/opendal/services/memcached/backend.rs.html#110-113">source</a><h4
 class="code-header">pub fn <a href="#method.default_ttl" 
class="fn">default_ttl</a>(&amp;mut self, ttl: <a class="struct" 
href="https://doc.rust-lang.org/1.69.0/core/time/struct.Duration.html"; 
title="struct core::time::Duration">Duration</a>) -&gt; <a class="primit [...]
-</div></details></div></details></div><h2 id="trait-implementations" 
class="small-section-header">Trait Implementations<a 
href="#trait-implementations" class="anchor">§</a></h2><div 
id="trait-implementations-list"><details class="toggle implementors-toggle" 
open><summary><section id="impl-Builder-for-MemcachedBuilder" class="impl"><a 
class="srclink rightside" 
href="../../src/opendal/services/memcached/backend.rs.html#116-193">source</a><a
 href="#impl-Builder-for-MemcachedBuilder" class=" [...]
+</div></details><details class="toggle method-toggle" open><summary><section 
id="method.default_ttl" class="method"><a class="srclink rightside" 
href="../../src/opendal/services/memcached/backend.rs.html#109-112">source</a><h4
 class="code-header">pub fn <a href="#method.default_ttl" 
class="fn">default_ttl</a>(&amp;mut self, ttl: <a class="struct" 
href="https://doc.rust-lang.org/1.69.0/core/time/struct.Duration.html"; 
title="struct core::time::Duration">Duration</a>) -&gt; <a class="primit [...]
+</div></details></div></details></div><h2 id="trait-implementations" 
class="small-section-header">Trait Implementations<a 
href="#trait-implementations" class="anchor">§</a></h2><div 
id="trait-implementations-list"><details class="toggle implementors-toggle" 
open><summary><section id="impl-Builder-for-MemcachedBuilder" class="impl"><a 
class="srclink rightside" 
href="../../src/opendal/services/memcached/backend.rs.html#115-192">source</a><a
 href="#impl-Builder-for-MemcachedBuilder" class=" [...]
     Self: <a class="trait" 
href="https://doc.rust-lang.org/1.69.0/core/marker/trait.Sized.html"; 
title="trait 
core::marker::Sized">Sized</a>,</span></h4></section></summary><div 
class='docblock'>Construct a builder from given 
iterator.</div></details><details class="toggle method-toggle" 
open><summary><section id="method.from_env" class="method trait-impl"><a 
class="srclink rightside" 
href="../../src/opendal/types/builder.rs.html#57-71">source</a><a 
href="#method.from_env" class="anchor"> [...]
-    Self: <a class="trait" 
href="https://doc.rust-lang.org/1.69.0/core/marker/trait.Sized.html"; 
title="trait 
core::marker::Sized">Sized</a>,</span></h4></section></summary><div 
class='docblock'>Construct a builder from envs. Please note that the env should 
begin with 
<code>opendal_{schema_name}_</code>.</div></details></div></details><details 
class="toggle implementors-toggle" open><summary><section 
id="impl-Clone-for-MemcachedBuilder" class="impl"><a class="srclink rightside" 
href="../. [...]
+    Self: <a class="trait" 
href="https://doc.rust-lang.org/1.69.0/core/marker/trait.Sized.html"; 
title="trait 
core::marker::Sized">Sized</a>,</span></h4></section></summary><div 
class='docblock'>Construct a builder from envs. Please note that the env should 
begin with 
<code>opendal_{schema_name}_</code>.</div></details></div></details><details 
class="toggle implementors-toggle" open><summary><section 
id="impl-Clone-for-MemcachedBuilder" class="impl"><a class="srclink rightside" 
href="../. [...]
     T: 'static + ?<a class="trait" 
href="https://doc.rust-lang.org/1.69.0/core/marker/trait.Sized.html"; 
title="trait 
core::marker::Sized">Sized</a>,</span></h3></section></summary><div 
class="impl-items"><details class="toggle method-toggle" open><summary><section 
id="method.type_id" class="method trait-impl"><a class="srclink rightside" 
href="https://doc.rust-lang.org/1.69.0/src/core/any.rs.html#201";>source</a><a 
href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a h [...]
     T: ?<a class="trait" 
href="https://doc.rust-lang.org/1.69.0/core/marker/trait.Sized.html"; 
title="trait 
core::marker::Sized">Sized</a>,</span></h3></section></summary><div 
class="impl-items"><details class="toggle method-toggle" open><summary><section 
id="method.borrow" class="method trait-impl"><span class="rightside"><span 
class="since" title="const unstable">const: <a 
href="https://github.com/rust-lang/rust/issues/91522"; title="Tracking issue for 
const_borrow">unstable</a></span> · [...]
     T: ?<a class="trait" 
href="https://doc.rust-lang.org/1.69.0/core/marker/trait.Sized.html"; 
title="trait 
core::marker::Sized">Sized</a>,</span></h3></section></summary><div 
class="impl-items"><details class="toggle method-toggle" open><summary><section 
id="method.borrow_mut" class="method trait-impl"><span class="rightside"><span 
class="since" title="const unstable">const: <a 
href="https://github.com/rust-lang/rust/issues/91522"; title="Tracking issue for 
const_borrow">unstable</a></spa [...]
diff --git a/docs/rust/opendal/trait.Builder.html 
b/docs/rust/opendal/trait.Builder.html
index a908ce4c..ca99420d 100644
--- a/docs/rust/opendal/trait.Builder.html
+++ b/docs/rust/opendal/trait.Builder.html
@@ -32,4 +32,4 @@ We also promise that every public API will provide detailed 
documentation.</p>
 </div></details><details class="toggle method-toggle" open><summary><section 
id="method.from_env" class="method"><a class="srclink rightside" 
href="../src/opendal/types/builder.rs.html#57-71">source</a><h4 
class="code-header">fn <a href="#method.from_env" class="fn">from_env</a>() 
-&gt; Self<span class="where fmt-newline">where
     Self: <a class="trait" 
href="https://doc.rust-lang.org/1.69.0/core/marker/trait.Sized.html"; 
title="trait 
core::marker::Sized">Sized</a>,</span></h4></section></summary><div 
class="docblock"><p>Construct a builder from envs. Please note that the env 
should begin with <code>opendal_{schema_name}_</code>.</p>
 </div></details></div><h2 id="foreign-impls" 
class="small-section-header">Implementations on Foreign Types<a 
href="#foreign-impls" class="anchor">§</a></h2><details class="toggle 
implementors-toggle"><summary><section id="impl-Builder-for-()" class="impl"><a 
class="srclink rightside" 
href="../src/opendal/types/builder.rs.html#78-88">source</a><a 
href="#impl-Builder-for-()" class="anchor">§</a><h3 class="code-header">impl <a 
class="trait" href="trait.Builder.html" title="trait opendal::Bu [...]
-</div><div class="impl-items"><section id="associatedconstant.SCHEME-1" 
class="associatedconstant trait-impl"><a class="srclink rightside" 
href="../src/opendal/types/builder.rs.html#79">source</a><a 
href="#associatedconstant.SCHEME-1" class="anchor">§</a><h4 
class="code-header">const <a href="#associatedconstant.SCHEME" 
class="constant">SCHEME</a>: <a class="enum" href="enum.Scheme.html" 
title="enum opendal::Scheme">Scheme</a> = _</h4></section><section 
id="associatedtype.Accessor-1" cla [...]
\ No newline at end of file
+</div><div class="impl-items"><section id="associatedconstant.SCHEME-1" 
class="associatedconstant trait-impl"><a class="srclink rightside" 
href="../src/opendal/types/builder.rs.html#79">source</a><a 
href="#associatedconstant.SCHEME-1" class="anchor">§</a><h4 
class="code-header">const <a href="#associatedconstant.SCHEME" 
class="constant">SCHEME</a>: <a class="enum" href="enum.Scheme.html" 
title="enum opendal::Scheme">Scheme</a> = _</h4></section><section 
id="associatedtype.Accessor-1" cla [...]
\ No newline at end of file
diff --git a/docs/rust/src/opendal/services/memcached/ascii.rs.html 
b/docs/rust/src/opendal/services/memcached/ascii.rs.html
index e96a8a39..ccc8b3fe 100644
--- a/docs/rust/src/opendal/services/memcached/ascii.rs.html
+++ b/docs/rust/src/opendal/services/memcached/ascii.rs.html
@@ -143,58 +143,92 @@
 <a href="#143" id="143">143</a>
 <a href="#144" id="144">144</a>
 <a href="#145" id="145">145</a>
-</pre><pre class="rust"><code><span class="comment">// Copyright 2017 vavrusa 
&lt;[email protected]&gt;
+<a href="#146" id="146">146</a>
+<a href="#147" id="147">147</a>
+<a href="#148" id="148">148</a>
+<a href="#149" id="149">149</a>
+<a href="#150" id="150">150</a>
+<a href="#151" id="151">151</a>
+<a href="#152" id="152">152</a>
+<a href="#153" id="153">153</a>
+<a href="#154" id="154">154</a>
+<a href="#155" id="155">155</a>
+<a href="#156" id="156">156</a>
+<a href="#157" id="157">157</a>
+<a href="#158" id="158">158</a>
+<a href="#159" id="159">159</a>
+<a href="#160" id="160">160</a>
+<a href="#161" id="161">161</a>
+<a href="#162" id="162">162</a>
+<a href="#163" id="163">163</a>
+<a href="#164" id="164">164</a>
+<a href="#165" id="165">165</a>
+<a href="#166" id="166">166</a>
+<a href="#167" id="167">167</a>
+<a href="#168" id="168">168</a>
+<a href="#169" id="169">169</a>
+<a href="#170" id="170">170</a>
+<a href="#171" id="171">171</a>
+<a href="#172" id="172">172</a>
+</pre><pre class="rust"><code><span class="comment">// Licensed to the Apache 
Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// &quot;License&quot;); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the MIT License (see MIT-ascii.txt);
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
-</span><span class="kw">use </span>core::fmt::Display;
-<span class="kw">use </span>std::io::Error;
-<span class="kw">use </span>std::io::ErrorKind;
-<span class="kw">use </span>std::marker::Unpin;
+</span><span class="kw">use crate</span>::<span class="kw-2">*</span>;
 
-<span class="kw">use </span>futures::io::AsyncBufReadExt;
-<span class="kw">use </span>futures::io::AsyncRead;
-<span class="kw">use </span>futures::io::AsyncReadExt;
-<span class="kw">use </span>futures::io::AsyncWrite;
-<span class="kw">use </span>futures::io::AsyncWriteExt;
-<span class="kw">use </span>futures::io::BufReader;
+<span class="kw">use </span><span 
class="kw">super</span>::backend::parse_io_error;
+<span class="kw">use </span>tokio::io::AsyncBufReadExt;
+<span class="kw">use </span>tokio::io::AsyncReadExt;
+<span class="kw">use </span>tokio::io::AsyncWriteExt;
+<span class="kw">use </span>tokio::io::BufReader;
+<span class="kw">use </span>tokio::net::TcpStream;
 
-<span class="doccomment">/// Memcache ASCII protocol implementation.
-</span><span class="kw">pub struct </span>Protocol&lt;S&gt; {
-    io: BufReader&lt;S&gt;,
+<span class="kw">pub struct </span>Connection {
+    io: BufReader&lt;TcpStream&gt;,
     buf: Vec&lt;u8&gt;,
 }
 
-<span class="kw">impl</span>&lt;S&gt; Protocol&lt;S&gt;
-<span class="kw">where
-    </span>S: AsyncRead + AsyncWrite + Unpin,
-{
-    <span class="doccomment">/// Creates the ASCII protocol on a stream.
-    </span><span class="kw">pub fn </span>new(io: S) -&gt; <span 
class="self">Self </span>{
+<span class="kw">impl </span>Connection {
+    <span class="kw">pub fn </span>new(io: TcpStream) -&gt; <span 
class="self">Self </span>{
         <span class="self">Self </span>{
             io: BufReader::new(io),
             buf: Vec::new(),
         }
     }
 
-    <span class="doccomment">/// Returns the value for given key as bytes. If 
the value doesn&#39;t exist, [`ErrorKind::NotFound`] is returned.
-    </span><span class="kw">pub async fn </span>get&lt;K: 
AsRef&lt;[u8]&gt;&gt;(<span class="kw-2">&amp;mut </span><span 
class="self">self</span>, key: K) -&gt; <span 
class="prelude-ty">Result</span>&lt;Vec&lt;u8&gt;, Error&gt; {
+    <span class="kw">pub async fn </span>get(<span class="kw-2">&amp;mut 
</span><span class="self">self</span>, key: <span class="kw-2">&amp;</span>str) 
-&gt; <span class="prelude-ty">Result</span>&lt;<span 
class="prelude-ty">Option</span>&lt;Vec&lt;u8&gt;&gt;&gt; {
         <span class="comment">// Send command
         </span><span class="kw">let </span>writer = <span 
class="self">self</span>.io.get_mut();
         writer
-            .write_all(<span class="kw-2">&amp;</span>[<span 
class="string">b&quot;get &quot;</span>, key.as_ref(), <span 
class="string">b&quot;\r\n&quot;</span>].concat())
-            .<span class="kw">await</span><span class="question-mark">?</span>;
-        writer.flush().<span class="kw">await</span><span 
class="question-mark">?</span>;
+            .write_all(<span class="kw-2">&amp;</span>[<span 
class="string">b&quot;get &quot;</span>, key.as_bytes(), <span 
class="string">b&quot;\r\n&quot;</span>].concat())
+            .<span class="kw">await
+            </span>.map_err(parse_io_error)<span 
class="question-mark">?</span>;
+        writer.flush().<span 
class="kw">await</span>.map_err(parse_io_error)<span 
class="question-mark">?</span>;
 
         <span class="comment">// Read response header
-        </span><span class="kw">let </span>header = <span 
class="self">self</span>.read_line().<span class="kw">await</span><span 
class="question-mark">?</span>;
-        <span class="kw">let </span>header = 
std::str::from_utf8(header).map_err(|<span class="kw">_</span>| 
ErrorKind::InvalidData)<span class="question-mark">?</span>;
+        </span><span class="kw">let </span>header = <span 
class="self">self</span>.read_header().<span class="kw">await</span><span 
class="question-mark">?</span>;
 
         <span class="comment">// Check response header and parse value length
         </span><span class="kw">if </span>header.contains(<span 
class="string">&quot;ERROR&quot;</span>) {
-            <span class="kw">return </span><span 
class="prelude-val">Err</span>(Error::new(ErrorKind::Other, header));
+            <span class="kw">return </span><span 
class="prelude-val">Err</span>(
+                Error::new(ErrorKind::Unexpected, <span 
class="string">&quot;unexpected data received&quot;</span>)
+                    .with_context(<span 
class="string">&quot;message&quot;</span>, header),
+            );
         } <span class="kw">else if </span>header.starts_with(<span 
class="string">&quot;END&quot;</span>) {
-            <span class="kw">return </span><span 
class="prelude-val">Err</span>(ErrorKind::NotFound.into());
+            <span class="kw">return </span><span 
class="prelude-val">Ok</span>(<span class="prelude-val">None</span>);
         }
 
         <span class="comment">// VALUE &lt;key&gt; &lt;flags&gt; &lt;bytes&gt; 
[&lt;cas unique&gt;]\r\n
@@ -202,91 +236,111 @@
             .split(<span class="string">&#39; &#39;</span>)
             .nth(<span class="number">3</span>)
             .and_then(|len| len.trim_end().parse().ok())
-            .ok_or(ErrorKind::InvalidData)<span class="question-mark">?</span>;
+            .ok_or_else(|| Error::new(ErrorKind::Unexpected, <span 
class="string">&quot;invalid data received&quot;</span>))<span 
class="question-mark">?</span>;
 
         <span class="comment">// Read value
         </span><span class="kw">let </span><span class="kw-2">mut 
</span>buffer: Vec&lt;u8&gt; = <span class="macro">vec!</span>[<span 
class="number">0</span>; length];
-        <span class="self">self</span>.io.read_exact(<span 
class="kw-2">&amp;mut </span>buffer).<span class="kw">await</span><span 
class="question-mark">?</span>;
+        <span class="self">self</span>.io
+            .read_exact(<span class="kw-2">&amp;mut </span>buffer)
+            .<span class="kw">await
+            </span>.map_err(parse_io_error)<span 
class="question-mark">?</span>;
 
         <span class="comment">// Read the trailing header
         </span><span class="self">self</span>.read_line().<span 
class="kw">await</span><span class="question-mark">?</span>; <span 
class="comment">// \r\n
         </span><span class="self">self</span>.read_line().<span 
class="kw">await</span><span class="question-mark">?</span>; <span 
class="comment">// END\r\n
 
-        </span><span class="prelude-val">Ok</span>(buffer)
+        </span><span class="prelude-val">Ok</span>(<span 
class="prelude-val">Some</span>(buffer))
     }
 
-    <span class="doccomment">/// Set key to given value and don&#39;t wait for 
response.
-    </span><span class="kw">pub async fn </span>set&lt;K: Display&gt;(
-        <span class="kw-2">&amp;mut </span><span class="self">self</span>,
-        key: K,
-        val: <span class="kw-2">&amp;</span>[u8],
-        expiration: u32,
-    ) -&gt; <span class="prelude-ty">Result</span>&lt;(), Error&gt; {
+    <span class="kw">pub async fn </span>set(<span class="kw-2">&amp;mut 
</span><span class="self">self</span>, key: <span class="kw-2">&amp;</span>str, 
val: <span class="kw-2">&amp;</span>[u8], expiration: u32) -&gt; <span 
class="prelude-ty">Result</span>&lt;()&gt; {
         <span class="kw">let </span>header = <span 
class="macro">format!</span>(<span class="string">&quot;set {} 0 {} 
{}\r\n&quot;</span>, key, expiration, val.len());
-        <span class="self">self</span>.io.write_all(header.as_bytes()).<span 
class="kw">await</span><span class="question-mark">?</span>;
-        <span class="self">self</span>.io.write_all(val).<span 
class="kw">await</span><span class="question-mark">?</span>;
-        <span class="self">self</span>.io.write_all(<span 
class="string">b&quot;\r\n&quot;</span>).<span class="kw">await</span><span 
class="question-mark">?</span>;
-        <span class="self">self</span>.io.flush().<span 
class="kw">await</span><span class="question-mark">?</span>;
+        <span class="self">self</span>.io
+            .write_all(header.as_bytes())
+            .<span class="kw">await
+            </span>.map_err(parse_io_error)<span 
class="question-mark">?</span>;
+        <span class="self">self</span>.io.write_all(val).<span 
class="kw">await</span>.map_err(parse_io_error)<span 
class="question-mark">?</span>;
+        <span class="self">self</span>.io.write_all(<span 
class="string">b&quot;\r\n&quot;</span>).<span 
class="kw">await</span>.map_err(parse_io_error)<span 
class="question-mark">?</span>;
+        <span class="self">self</span>.io.flush().<span 
class="kw">await</span>.map_err(parse_io_error)<span 
class="question-mark">?</span>;
 
         <span class="comment">// Read response header
-        </span><span class="kw">let </span>header = <span 
class="self">self</span>.read_line().<span class="kw">await</span><span 
class="question-mark">?</span>;
-        <span class="kw">let </span>header = 
std::str::from_utf8(header).map_err(|<span class="kw">_</span>| 
ErrorKind::InvalidData)<span class="question-mark">?</span>;
+        </span><span class="kw">let </span>header = <span 
class="self">self</span>.read_header().<span class="kw">await</span><span 
class="question-mark">?</span>;
+
         <span class="comment">// Check response header and make sure we got a 
`STORED`
         </span><span class="kw">if </span>header.contains(<span 
class="string">&quot;STORED&quot;</span>) {
             <span class="kw">return </span><span 
class="prelude-val">Ok</span>(());
         } <span class="kw">else if </span>header.contains(<span 
class="string">&quot;ERROR&quot;</span>) {
-            <span class="kw">return </span><span 
class="prelude-val">Err</span>(Error::new(ErrorKind::Other, header));
+            <span class="kw">return </span><span 
class="prelude-val">Err</span>(
+                Error::new(ErrorKind::Unexpected, <span 
class="string">&quot;unexpected data received&quot;</span>)
+                    .with_context(<span 
class="string">&quot;message&quot;</span>, header),
+            );
         }
         <span class="prelude-val">Ok</span>(())
     }
 
-    <span class="doccomment">/// Delete a key and don&#39;t wait for response.
-    </span><span class="kw">pub async fn </span>delete&lt;K: Display&gt;(<span 
class="kw-2">&amp;mut </span><span class="self">self</span>, key: K) -&gt; 
<span class="prelude-ty">Result</span>&lt;(), Error&gt; {
+    <span class="kw">pub async fn </span>delete(<span class="kw-2">&amp;mut 
</span><span class="self">self</span>, key: <span class="kw-2">&amp;</span>str) 
-&gt; <span class="prelude-ty">Result</span>&lt;()&gt; {
         <span class="kw">let </span>header = <span 
class="macro">format!</span>(<span class="string">&quot;delete 
{}\r\n&quot;</span>, key);
-        <span class="self">self</span>.io.write_all(header.as_bytes()).<span 
class="kw">await</span><span class="question-mark">?</span>;
-        <span class="self">self</span>.io.flush().<span 
class="kw">await</span><span class="question-mark">?</span>;
+        <span class="self">self</span>.io
+            .write_all(header.as_bytes())
+            .<span class="kw">await
+            </span>.map_err(parse_io_error)<span 
class="question-mark">?</span>;
+        <span class="self">self</span>.io.flush().<span 
class="kw">await</span>.map_err(parse_io_error)<span 
class="question-mark">?</span>;
 
         <span class="comment">// Read response header
-        </span><span class="kw">let </span>header = <span 
class="self">self</span>.read_line().<span class="kw">await</span><span 
class="question-mark">?</span>;
-        <span class="kw">let </span>header = 
std::str::from_utf8(header).map_err(|<span class="kw">_</span>| 
ErrorKind::InvalidData)<span class="question-mark">?</span>;
+        </span><span class="kw">let </span>header = <span 
class="self">self</span>.read_header().<span class="kw">await</span><span 
class="question-mark">?</span>;
+
         <span class="comment">// Check response header and parse value length
-        </span><span class="kw">if </span>header.contains(<span 
class="string">&quot;NOT_FOUND&quot;</span>) {
+        </span><span class="kw">if </span>header.contains(<span 
class="string">&quot;NOT_FOUND&quot;</span>) || header.starts_with(<span 
class="string">&quot;END&quot;</span>) {
             <span class="kw">return </span><span 
class="prelude-val">Ok</span>(());
-        } <span class="kw">else if </span>header.starts_with(<span 
class="string">&quot;END&quot;</span>) {
-            <span class="kw">return </span><span 
class="prelude-val">Err</span>(ErrorKind::NotFound.into());
         } <span class="kw">else if </span>header.contains(<span 
class="string">&quot;ERROR&quot;</span>) || !header.contains(<span 
class="string">&quot;DELETED&quot;</span>) {
-            <span class="kw">return </span><span 
class="prelude-val">Err</span>(Error::new(ErrorKind::Other, header));
+            <span class="kw">return </span><span 
class="prelude-val">Err</span>(
+                Error::new(ErrorKind::Unexpected, <span 
class="string">&quot;unexpected data received&quot;</span>)
+                    .with_context(<span 
class="string">&quot;message&quot;</span>, header),
+            );
         }
         <span class="prelude-val">Ok</span>(())
     }
 
-    <span class="doccomment">/// Return the version of the remote server.
-    </span><span class="kw">pub async fn </span>version(<span 
class="kw-2">&amp;mut </span><span class="self">self</span>) -&gt; <span 
class="prelude-ty">Result</span>&lt;String, Error&gt; {
-        <span class="self">self</span>.io.write_all(<span 
class="string">b&quot;version\r\n&quot;</span>).<span 
class="kw">await</span><span class="question-mark">?</span>;
-        <span class="self">self</span>.io.flush().<span 
class="kw">await</span><span class="question-mark">?</span>;
+    <span class="kw">pub async fn </span>version(<span class="kw-2">&amp;mut 
</span><span class="self">self</span>) -&gt; <span 
class="prelude-ty">Result</span>&lt;String&gt; {
+        <span class="self">self</span>.io
+            .write_all(<span class="string">b&quot;version\r\n&quot;</span>)
+            .<span class="kw">await
+            </span>.map_err(parse_io_error)<span 
class="question-mark">?</span>;
+        <span class="self">self</span>.io.flush().<span 
class="kw">await</span>.map_err(parse_io_error)<span 
class="question-mark">?</span>;
 
         <span class="comment">// Read response header
-        </span><span class="kw">let </span>header = {
-            <span class="kw">let </span>buf = <span 
class="self">self</span>.read_line().<span class="kw">await</span><span 
class="question-mark">?</span>;
-            std::str::from_utf8(buf).map_err(|<span class="kw">_</span>| 
Error::from(ErrorKind::InvalidData))<span class="question-mark">?
-        </span>};
+        </span><span class="kw">let </span>header = <span 
class="self">self</span>.read_header().<span class="kw">await</span><span 
class="question-mark">?</span>;
 
         <span class="kw">if </span>!header.starts_with(<span 
class="string">&quot;VERSION&quot;</span>) {
-            <span class="kw">return </span><span 
class="prelude-val">Err</span>(Error::new(ErrorKind::Other, header));
+            <span class="kw">return </span><span 
class="prelude-val">Err</span>(
+                Error::new(ErrorKind::Unexpected, <span 
class="string">&quot;unexpected data received&quot;</span>)
+                    .with_context(<span 
class="string">&quot;message&quot;</span>, header),
+            );
         }
         <span class="kw">let </span>version = header.trim_start_matches(<span 
class="string">&quot;VERSION &quot;</span>).trim_end();
         <span class="prelude-val">Ok</span>(version.to_string())
     }
 
-    <span class="kw">async fn </span>read_line(<span class="kw-2">&amp;mut 
</span><span class="self">self</span>) -&gt; <span 
class="prelude-ty">Result</span>&lt;<span class="kw-2">&amp;</span>[u8], 
Error&gt; {
+    <span class="kw">async fn </span>read_line(<span class="kw-2">&amp;mut 
</span><span class="self">self</span>) -&gt; <span 
class="prelude-ty">Result</span>&lt;<span class="kw-2">&amp;</span>[u8]&gt; {
         <span class="kw">let </span><span class="self">Self </span>{ io, buf } 
= <span class="self">self</span>;
         buf.clear();
-        io.read_until(<span class="string">b&#39;\n&#39;</span>, buf).<span 
class="kw">await</span><span class="question-mark">?</span>;
+        io.read_until(<span class="string">b&#39;\n&#39;</span>, buf).<span 
class="kw">await</span>.map_err(parse_io_error)<span 
class="question-mark">?</span>;
         <span class="kw">if </span>buf.last().copied() != <span 
class="prelude-val">Some</span>(<span class="string">b&#39;\n&#39;</span>) {
-            <span class="kw">return </span><span 
class="prelude-val">Err</span>(ErrorKind::UnexpectedEof.into());
+            <span class="kw">return </span><span 
class="prelude-val">Err</span>(Error::new(
+                ErrorKind::ContentIncomplete,
+                <span class="string">&quot;unexpected eof, the response must 
be incomplete&quot;</span>,
+            ));
         }
         <span class="prelude-val">Ok</span>(<span 
class="kw-2">&amp;</span>buf[..])
     }
+
+    <span class="kw">async fn </span>read_header(<span class="kw-2">&amp;mut 
</span><span class="self">self</span>) -&gt; <span 
class="prelude-ty">Result</span>&lt;<span class="kw-2">&amp;</span>str&gt; {
+        <span class="kw">let </span>header = <span 
class="self">self</span>.read_line().<span class="kw">await</span><span 
class="question-mark">?</span>;
+        <span class="kw">let </span>header = 
std::str::from_utf8(header).map_err(|err| {
+            Error::new(ErrorKind::Unexpected, <span 
class="string">&quot;invalid data received&quot;</span>).set_source(err)
+        })<span class="question-mark">?</span>;
+
+        <span class="prelude-val">Ok</span>(header)
+    }
 }
 </code></pre></div>
 </section></main><div id="rustdoc-vars" data-root-path="../../../../" 
data-static-root-path="../../../../static.files/" data-current-crate="opendal" 
data-themes="" data-resource-suffix="" data-rustdoc-version="1.69.0 (84c898d65 
2023-04-16)" data-search-js="search-8a59a8356673ec1f.js" 
data-settings-js="settings-f0c5c39777a9a2f6.js" 
data-settings-css="settings-0bcba95ff279c1db.css" ></div></body></html>
\ No newline at end of file
diff --git a/docs/rust/src/opendal/services/memcached/backend.rs.html 
b/docs/rust/src/opendal/services/memcached/backend.rs.html
index da45b128..517edc12 100644
--- a/docs/rust/src/opendal/services/memcached/backend.rs.html
+++ b/docs/rust/src/opendal/services/memcached/backend.rs.html
@@ -308,32 +308,6 @@
 <a href="#308" id="308">308</a>
 <a href="#309" id="309">309</a>
 <a href="#310" id="310">310</a>
-<a href="#311" id="311">311</a>
-<a href="#312" id="312">312</a>
-<a href="#313" id="313">313</a>
-<a href="#314" id="314">314</a>
-<a href="#315" id="315">315</a>
-<a href="#316" id="316">316</a>
-<a href="#317" id="317">317</a>
-<a href="#318" id="318">318</a>
-<a href="#319" id="319">319</a>
-<a href="#320" id="320">320</a>
-<a href="#321" id="321">321</a>
-<a href="#322" id="322">322</a>
-<a href="#323" id="323">323</a>
-<a href="#324" id="324">324</a>
-<a href="#325" id="325">325</a>
-<a href="#326" id="326">326</a>
-<a href="#327" id="327">327</a>
-<a href="#328" id="328">328</a>
-<a href="#329" id="329">329</a>
-<a href="#330" id="330">330</a>
-<a href="#331" id="331">331</a>
-<a href="#332" id="332">332</a>
-<a href="#333" id="333">333</a>
-<a href="#334" id="334">334</a>
-<a href="#335" id="335">335</a>
-<a href="#336" id="336">336</a>
 </pre><pre class="rust"><code><span class="comment">// Licensed to the Apache 
Software Foundation (ASF) under one
 // or more contributor license agreements.  See the NOTICE file
 // distributed with this work for additional information
@@ -354,7 +328,6 @@
 </span><span class="kw">use </span>std::collections::HashMap;
 <span class="kw">use </span>std::time::Duration;
 
-<span class="kw">use </span>async_compat::Compat;
 <span class="kw">use </span>async_trait::async_trait;
 <span class="kw">use </span>bb8::RunError;
 <span class="kw">use </span>tokio::net::TcpStream;
@@ -556,7 +529,7 @@
             RunError::TimedOut =&gt; {
                 Error::new(ErrorKind::Unexpected, <span 
class="string">&quot;get connection from pool 
failed&quot;</span>).set_temporary()
             }
-            RunError::User(err) =&gt; parse_io_error(err),
+            RunError::User(err) =&gt; err,
         })
     }
 }
@@ -579,13 +552,9 @@
 
     <span class="kw">async fn </span>get(<span class="kw-2">&amp;</span><span 
class="self">self</span>, key: <span class="kw-2">&amp;</span>str) -&gt; <span 
class="prelude-ty">Result</span>&lt;<span 
class="prelude-ty">Option</span>&lt;Vec&lt;u8&gt;&gt;&gt; {
         <span class="kw">let </span><span class="kw-2">mut </span>conn = <span 
class="self">self</span>.conn().<span class="kw">await</span><span 
class="question-mark">?</span>;
-        <span class="comment">// TODO: memcache-async have `Sized` limit on 
key, can we remove it?
-        </span><span class="kw">match </span>conn.get(<span 
class="kw-2">&amp;</span>percent_encode_path(key)).<span class="kw">await 
</span>{
-            <span class="prelude-val">Ok</span>(bs) =&gt; <span 
class="prelude-val">Ok</span>(<span class="prelude-val">Some</span>(bs)),
-            <span class="prelude-val">Err</span>(err) <span class="kw">if 
</span>err.kind() == std::io::ErrorKind::NotFound =&gt; <span 
class="prelude-val">Ok</span>(<span class="prelude-val">None</span>),
-            <span class="prelude-val">Err</span>(err) =&gt; <span 
class="prelude-val">Err</span>(parse_io_error(err)),
-        }
-    }
+
+        conn.get(<span 
class="kw-2">&amp;</span>percent_encode_path(key)).<span class="kw">await
+    </span>}
 
     <span class="kw">async fn </span>set(<span class="kw-2">&amp;</span><span 
class="self">self</span>, key: <span class="kw-2">&amp;</span>str, value: <span 
class="kw-2">&amp;</span>[u8]) -&gt; <span 
class="prelude-ty">Result</span>&lt;()&gt; {
         <span class="kw">let </span><span class="kw-2">mut </span>conn = <span 
class="self">self</span>.conn().<span class="kw">await</span><span 
class="question-mark">?</span>;
@@ -599,40 +568,13 @@
                 .unwrap_or_default(),
         )
         .<span class="kw">await
-        </span>.map_err(parse_io_error)<span class="question-mark">?</span>;
-
-        <span class="prelude-val">Ok</span>(())
-    }
+    </span>}
 
     <span class="kw">async fn </span>delete(<span 
class="kw-2">&amp;</span><span class="self">self</span>, key: <span 
class="kw-2">&amp;</span>str) -&gt; <span 
class="prelude-ty">Result</span>&lt;()&gt; {
         <span class="kw">let </span><span class="kw-2">mut </span>conn = <span 
class="self">self</span>.conn().<span class="kw">await</span><span 
class="question-mark">?</span>;
 
-        <span class="kw">let _</span>: () = conn
-            .delete(<span class="kw-2">&amp;</span>percent_encode_path(key))
-            .<span class="kw">await
-            </span>.map_err(parse_io_error)<span 
class="question-mark">?</span>;
-        <span class="prelude-val">Ok</span>(())
-    }
-}
-
-<span class="kw">fn </span>parse_io_error(err: std::io::Error) -&gt; Error {
-    <span class="kw">use </span>std::io::ErrorKind::<span 
class="kw-2">*</span>;
-
-    <span class="kw">let </span>(kind, retryable) = <span class="kw">match 
</span>err.kind() {
-        NotFound =&gt; (ErrorKind::NotFound, <span 
class="bool-val">false</span>),
-        AlreadyExists =&gt; (ErrorKind::NotFound, <span 
class="bool-val">false</span>),
-        PermissionDenied =&gt; (ErrorKind::PermissionDenied, <span 
class="bool-val">false</span>),
-        Interrupted | UnexpectedEof | TimedOut | WouldBlock =&gt; 
(ErrorKind::Unexpected, <span class="bool-val">true</span>),
-        <span class="kw">_ </span>=&gt; (ErrorKind::Unexpected, <span 
class="bool-val">true</span>),
-    };
-
-    <span class="kw">let </span><span class="kw-2">mut </span>err = 
Error::new(kind, <span 
class="kw-2">&amp;</span>err.kind().to_string()).set_source(err);
-
-    <span class="kw">if </span>retryable {
-        err = err.set_temporary();
-    }
-
-    err
+        conn.delete(<span 
class="kw-2">&amp;</span>percent_encode_path(key)).<span class="kw">await
+    </span>}
 }
 
 <span class="doccomment">/// A `bb8::ManageConnection` for 
`memcache_async::ascii::Protocol`.
@@ -653,13 +595,15 @@
 
 <span class="attr">#[async_trait]
 </span><span class="kw">impl </span>bb8::ManageConnection <span class="kw">for 
</span>MemcacheConnectionManager {
-    <span class="kw">type </span>Connection = 
ascii::Protocol&lt;Compat&lt;TcpStream&gt;&gt;;
-    <span class="kw">type </span>Error = std::io::Error;
+    <span class="kw">type </span>Connection = ascii::Connection;
+    <span class="kw">type </span>Error = Error;
 
     <span class="doccomment">/// TODO: Implement unix stream support.
     </span><span class="kw">async fn </span>connect(<span 
class="kw-2">&amp;</span><span class="self">self</span>) -&gt; 
std::result::Result&lt;<span class="self">Self</span>::Connection, <span 
class="self">Self</span>::Error&gt; {
-        <span class="kw">let </span>sock = TcpStream::connect(<span 
class="kw-2">&amp;</span><span class="self">self</span>.address).<span 
class="kw">await</span><span class="question-mark">?</span>;
-        <span 
class="prelude-val">Ok</span>(ascii::Protocol::new(Compat::new(sock)))
+        <span class="kw">let </span>conn = TcpStream::connect(<span 
class="kw-2">&amp;</span><span class="self">self</span>.address)
+            .<span class="kw">await
+            </span>.map_err(parse_io_error)<span 
class="question-mark">?</span>;
+        <span class="prelude-val">Ok</span>(ascii::Connection::new(conn))
     }
 
     <span class="kw">async fn </span>is_valid(<span 
class="kw-2">&amp;</span><span class="self">self</span>, conn: <span 
class="kw-2">&amp;mut </span><span class="self">Self</span>::Connection) -&gt; 
std::result::Result&lt;(), <span class="self">Self</span>::Error&gt; {
@@ -670,5 +614,9 @@
         <span class="bool-val">false
     </span>}
 }
+
+<span class="kw">pub fn </span>parse_io_error(err: std::io::Error) -&gt; Error 
{
+    Error::new(ErrorKind::Unexpected, <span 
class="kw-2">&amp;</span>err.kind().to_string()).set_source(err)
+}
 </code></pre></div>
 </section></main><div id="rustdoc-vars" data-root-path="../../../../" 
data-static-root-path="../../../../static.files/" data-current-crate="opendal" 
data-themes="" data-resource-suffix="" data-rustdoc-version="1.69.0 (84c898d65 
2023-04-16)" data-search-js="search-8a59a8356673ec1f.js" 
data-settings-js="settings-f0c5c39777a9a2f6.js" 
data-settings-css="settings-0bcba95ff279c1db.css" ></div></body></html>
\ No newline at end of file
diff --git a/docs/vision/index.html b/docs/vision/index.html
index 6d9a0c94..2968dfa4 100644
--- a/docs/vision/index.html
+++ b/docs/vision/index.html
@@ -5,13 +5,13 @@
 <meta name="generator" content="Docusaurus v2.3.1">
 <title data-rh="true">Vision | Apache OpenDAL</title><meta data-rh="true" 
name="viewport" content="width=device-width,initial-scale=1"><meta 
data-rh="true" name="twitter:card" content="summary_large_image"><meta 
data-rh="true" property="og:url" 
content="https://opendal.apache.org/docs/vision";><meta data-rh="true" 
name="docusaurus_locale" content="en"><meta data-rh="true" 
name="docsearch:language" content="en"><meta data-rh="true" 
name="docusaurus_version" content="current"><meta data-rh= [...]
 <link rel="alternate" type="application/atom+xml" href="/blog/atom.xml" 
title="Apache OpenDAL Atom Feed"><link rel="stylesheet" 
href="/assets/css/styles.8610ae2e.css">
-<link rel="preload" href="/assets/js/runtime~main.a5067a2f.js" as="script">
+<link rel="preload" href="/assets/js/runtime~main.e7f44ad2.js" as="script">
 <link rel="preload" href="/assets/js/main.e8563114.js" as="script">
 </head>
 <body class="navigation-with-keyboard">
 <script>!function(){function 
t(t){document.documentElement.setAttribute("data-theme",t)}var e=function(){var 
t=null;try{t=localStorage.getItem("theme")}catch(t){}return 
t}();t(null!==e?e:"light")}()</script><div id="__docusaurus">
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class="skipToContent_fXgn" href="#docusaurus_skipToContent_fallback">Skip to 
main content</a></div><nav aria-label="Main" class="navbar 
navbar--fixed-top"><div class="navbar__inner"><div 
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aria-expanded="false" class="navbar__toggle clean-btn" type="button"><svg 
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stroke="currentColor" stroke-linecap="roun [...]
-<script src="/assets/js/runtime~main.a5067a2f.js"></script>
+<div role="region" aria-label="Skip to main content"><a 
class="skipToContent_fXgn" href="#docusaurus_skipToContent_fallback">Skip to 
main content</a></div><nav aria-label="Main" class="navbar 
navbar--fixed-top"><div class="navbar__inner"><div 
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aria-expanded="false" class="navbar__toggle clean-btn" type="button"><svg 
width="30" height="30" viewBox="0 0 30 30" aria-hidden="true"><path 
stroke="currentColor" stroke-linecap="roun [...]
+<script src="/assets/js/runtime~main.e7f44ad2.js"></script>
 <script src="/assets/js/main.e8563114.js"></script>
 </body>
 </html>
\ No newline at end of file
diff --git a/index.html b/index.html
index f0e72aa1..6f12f050 100644
--- a/index.html
+++ b/index.html
@@ -5,13 +5,13 @@
 <meta name="generator" content="Docusaurus v2.3.1">
 <title data-rh="true">Apache OpenDAL</title><meta data-rh="true" 
property="og:title" content="Apache OpenDAL"><meta data-rh="true" 
name="viewport" content="width=device-width,initial-scale=1"><meta 
data-rh="true" name="twitter:card" content="summary_large_image"><meta 
data-rh="true" property="og:url" content="https://opendal.apache.org/";><meta 
data-rh="true" name="docusaurus_locale" content="en"><meta data-rh="true" 
name="docusaurus_tag" content="default"><meta data-rh="true" name="docse [...]
 <link rel="alternate" type="application/atom+xml" href="/blog/atom.xml" 
title="Apache OpenDAL Atom Feed"><link rel="stylesheet" 
href="/assets/css/styles.8610ae2e.css">
-<link rel="preload" href="/assets/js/runtime~main.a5067a2f.js" as="script">
+<link rel="preload" href="/assets/js/runtime~main.e7f44ad2.js" as="script">
 <link rel="preload" href="/assets/js/main.e8563114.js" as="script">
 </head>
 <body class="navigation-with-keyboard">
 <script>!function(){function 
t(t){document.documentElement.setAttribute("data-theme",t)}var e=function(){var 
t=null;try{t=localStorage.getItem("theme")}catch(t){}return 
t}();t(null!==e?e:"light")}()</script><div id="__docusaurus">
 <div id="docusaurus-base-url-issue-banner-container"></div><div role="region" 
aria-label="Skip to main content"><a class="skipToContent_fXgn" 
href="#docusaurus_skipToContent_fallback">Skip to main content</a></div><nav 
aria-label="Main" class="navbar navbar--fixed-top"><div 
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navigation bar" aria-expanded="false" class="navbar__toggle clean-btn" 
type="button"><svg width="30" height="30" viewBox="0 0 30 30" aria-hid [...]
-<script src="/assets/js/runtime~main.a5067a2f.js"></script>
+<script src="/assets/js/runtime~main.e7f44ad2.js"></script>
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