def default_signal_map():
name_map = {<EOL>'<STR_LIT>': None,<EOL>'<STR_LIT>': None,<EOL>'<STR_LIT>': None,<EOL>'<STR_LIT>': '<STR_LIT>'}<EOL>signal_map = {}<EOL>for name, target in list(name_map.items()):<EOL><INDENT>if hasattr(signal, name):<EOL><INDENT>signal_map[getattr(signal, name)] = target<EOL><DEDENT><DEDENT>return signal_map<EOL>
Create the default signal map for this system.

    :return: dict