class ServerCallImpl extends ServerCall<ReqT, RespT> {

  @Override
  public boolean isCancelled() {
    return cancelled;
  }

    ServerCallImpl(ServerStream stream, MethodDescriptor<ReqT, RespT> method,
      Metadata inboundHeaders, Context.CancellableContext context,
      DecompressorRegistry decompressorRegistry, CompressorRegistry compressorRegistry,
      CallTracer serverCallTracer);

}