Signature mismatch between erpc::Transport::send and erpc::InterThreadBufferTransport::send

The two functions had different signatures and I could not instantiate InterThreadBufferTransport object.
Could you please correct definitions of the send() methods. I thought that the definition of InterThreadBufferTransport was
adequate but most of Transport children classes have the definitions same as Transport base class. I could not determine which should be correct, 'const' or no 'const'.