* Added API to extract raw response.
* Resolved API review comments and added FileClient and DirectoryClient for DataLake.
* Added some blob/adls Gen2 interop functionality.
* Resolved some issues/comments
* Adds more interop, support retry and concurrent upload/download.
* Added support for Azure Core's token credential to support bearer token credential.
* Added integration on RawResponse/Response<T> and resolved some test issues.
* Added validation for Client secret authentication.
* Resolved some review comments and resolved CI issue.
* Resolved a UT failure in Azure Core.
* Resolved some further comments.
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