in src/main/java/com/microsoft/azure/proton/transport/proxy/impl/ProxyImpl.java [252:262]
public int position() {
if (getIsHandshakeInProgress()) {
if (tailClosed) {
return Transport.END_OF_STREAM;
} else {
return inputBuffer.position();
}
} else {
return underlyingInput.position();
}
}