code: def validate(self):
  		
  		if self.implemented_protocol_version != self.protocol_version:
  			raise OmapiError("protocol mismatch")
  		if self.implemented_header_size != self.header_size:
  			raise OmapiError("header size mismatch")
docs: Checks whether this OmapiStartupMessage matches the implementation.
  		@raises OmapiError: