public function appendContentStream(
        $repositoryId,
        & $objectId,
        StreamInterface $contentStream,
        $isLastChunk,
        & $changeToken = null,
        ExtensionDataInterface $extension = null
    ) {
        // TODO: Implement appendContentStream() method.
    }
public function appendContentStream(
        $repositoryId,
        & $objectId,
        StreamInterface $contentStream,
        $isLastChunk,
        & $changeToken = null,
        ExtensionDataInterface $extension = null
    ) {
        // TODO: Implement appendContentStream() method.
    }
public function appendContentStream ( $ repositoryId , & $ objectId , StreamInterface $ contentStream , $ isLastChunk , & $ changeToken = null , ExtensionDataInterface $ extension = null ) { // TODO: Implement appendContentStream() method. }
Appends the content stream to the content of the document.

The stream in contentStream is consumed but not closed by this method.

@param string $repositoryId the identifier for the repository
@param string $objectId The identifier for the object. The repository might return a different/new object id
@param StreamInterface $contentStream The content stream to append
@param boolean $isLastChunk Indicates if this content stream is the last chunk
@param string|null $changeToken The last change token of this object that the client received.
The repository might return a new change token (default is <code>null</code>)
@param ExtensionDataInterface|null $extension
Appends the content stream to the content of the document .