pub trait QrtrTransportChannelProxyInterface: Send + Sync {
type ReadResponseFut: Future<Output = Result<QrtrTransportChannelReadResult, Error>> + Send;
type WriteResponseFut: Future<Output = Result<QrtrTransportChannelWriteResult, Error>> + Send;
// Required methods
fn read(&self) -> Self::ReadResponseFut;
fn write(&self, data: &[u8]) -> Self::WriteResponseFut;
}