@property<EOL><INDENT>def symbol(self):<DEDENT>
if self == Direction.Forward:<EOL><INDENT>return '<STR_LIT>'<EOL><DEDENT>elif self == Direction.Reverse:<EOL><INDENT>return '<STR_LIT>'<EOL><DEDENT>else:<EOL><INDENT>return '<STR_LIT>'<EOL><DEDENT>
Return string symbol for direction.