def set_source_ref(self, value):
if value is None or not isinstance(value, str):<EOL><INDENT>raise TypeError("<STR_LIT>")<EOL><DEDENT>else:<EOL><INDENT>self.__source_ref = value<EOL><DEDENT>
Setter for 'source_ref' field.
:param value - a new value of 'source_ref' field. Must be a String type.