code: func (c *Client) GetRawMempoolVerboseAsync() FutureGetRawMempoolVerboseResult {
  	cmd := btcjson.NewGetRawMempoolCmd(btcjson.Bool(true))
  	return c.sendCmd(cmd)
  }
docs: // GetRawMempoolVerboseAsync returns an instance of a type that can be used to
  // get the result of the RPC at some future time by invoking the Receive
  // function on the returned instance.
  //
  // See GetRawMempoolVerbose for the blocking version and more details.