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https://issues.apache.org/jira/browse/CAMEL-18802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17646077#comment-17646077
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Andrea Cosentino commented on CAMEL-18802:
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My bad. Thanks for this.

> camel-base64 - Optional properties: if encoded the optional doesn't have any 
> effect
> -----------------------------------------------------------------------------------
>
>                 Key: CAMEL-18802
>                 URL: https://issues.apache.org/jira/browse/CAMEL-18802
>             Project: Camel
>          Issue Type: Improvement
>          Components: camel-base64, camel-core
>            Reporter: Andrea Cosentino
>            Assignee: Claus Ibsen
>            Priority: Major
>             Fix For: 3.20.0
>
>
> Suppose you have something like:
> {code:java}
>   template:
>     from:
>       uri: "google-storage://{{bucketNameOrArn}}"
>       parameters:
>         autoCreateBucket: "{{autoCreateBucket}}"
>         serviceAccountKey: "base64:{{serviceAccountKey}}"
>         deleteAfterRead: "{{deleteAfterRead}}"
> {code}
> and you want to have serviceAccountKey as optional parameter. If you prefix 
> the parameter with '?', like
> {code:java}
>   template:
>     from:
>       uri: "google-storage://{{bucketNameOrArn}}"
>       parameters:
>         autoCreateBucket: "{{autoCreateBucket}}"
>         serviceAccountKey: "base64:{{?serviceAccountKey}}"
>         deleteAfterRead: "{{deleteAfterRead}}"
> {code}
> We'll try to encode the value anyway, even if not specified.



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