parameters: (self)
docstring: Return True if the RPC is cancelled.
  
          The RPC is cancelled when the cancellation was requested with cancel().
  
          This is an EXPERIMENTAL API.
  
          Returns:
            A bool indicates whether the RPC is cancelled or not.
docstring_summary: Return True if the RPC is cancelled.
docstring_tokens: Return True if the RPC is cancelled .
function: def cancelled(self) -> bool:
          """Return True if the RPC is cancelled.
  
          The RPC is cancelled when the cancellation was requested with cancel().
  
          This is an EXPERIMENTAL API.
  
          Returns:
            A bool indicates whether the RPC is cancelled or not.
          """
function_tokens: def cancelled ( self ) -> bool :