def FindMessageTypeByName(self, full_name):
full_name = _NormalizeFullyQualifiedName(full_name)<EOL>if full_name not in self._descriptors:<EOL><INDENT>self.FindFileContainingSymbol(full_name)<EOL><DEDENT>return self._descriptors[full_name]<EOL>
Loads the named descriptor from the pool.

        Args:
          full_name: The full name of the descriptor to load.

        Returns:
          The descriptor for the named type.