Dhairya-007 opened a new pull request, #29979:
URL: https://github.com/apache/camel/pull/29979
## Problem
```java
@Metadata(label = "producer", description = "Name of the file in azure data
lake on which operation is to be performed.",
javaType = "String")
public static final String FILE_NAME = HEADER_PREFIX + "FileName";
```
The consumer puts the file name on every exchange it creates, at the end of
`createExchangeFromFile`:
```java
getEndpoint().setResponseOnExchange(response, exchange);
exchange.getIn().setHeader(DataLakeConstants.FILE_NAME, fileName);
return exchange;
```
The header is nevertheless labelled `producer`, and its description covers
only that direction - the name of the file "on which operation is to be
performed" - so the consumer's header table says nothing about which file an
exchange came from, which is the one thing a route polling a file system needs
in order to tell the exchanges apart.
## Fix
Drop the label so the header lands in `common`, and describe both directions:
> (producer) Name of the file in azure data lake on which operation is to be
performed. (consumer) Name of the file that was consumed.
No header name, type or behaviour changes. The regenerated
`azure-storage-datalake.json` files are included; header entries keep their
declaration order, so only this one line changes in each.
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