@staticmethod<EOL><INDENT>def get(key, default=-<NUM_LIT:1>):<DEDENT>
if isinstance(key, int):<EOL><INDENT>return Group(key)<EOL><DEDENT>if key not in Group._member_map_:<EOL><INDENT>extend_enum(Group, key, default)<EOL><DEDENT>return Group[key]<EOL>
Backport support for original codes.