Merge commit '57043a675f8826099e619c5d325fc7670be83e0b' * commit '57043a675f8826099e619c5d325fc7670be83e0b': Add a callback for the ConnectSink Call.
Merge commit '57043a675f8826099e619c5d325fc7670be83e0b' * commit '57043a675f8826099e619c5d325fc7670be83e0b': Add a callback for the ConnectSink Call.