usebytes::BytesMut;/// RTCDataChannelMessage represents a message received from the
/// data channel. IsString will be set to true if the incoming
/// message is of the string type. Otherwise, the message is of
/// a binary type.
#[derive(Default, Debug, Clone, Eq, PartialEq)]pubstructRTCDataChannelMessage{pubis_string:bool,
pubdata: BytesMut,
}