parameters: (self)
docstring: Closes this Channel and releases all resources held by it.
  
          Closing the Channel will immediately terminate all RPCs active with the
          Channel and it is not valid to invoke new RPCs with the Channel.
  
          This method is idempotent.
docstring_summary: Closes this Channel and releases all resources held by it.
docstring_tokens: Closes this Channel and releases all resources held by it .
function: def close(self):
          """Closes this Channel and releases all resources held by it.
  
          Closing the Channel will immediately terminate all RPCs active with the
          Channel and it is not valid to invoke new RPCs with the Channel.
  
          This method is idempotent.
          """
          raise NotImplementedError()
function_tokens: def close ( self ) : raise NotImplementedError ( )