<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def deprecated(msg=''):
 """Deprecate decorated method."""

    @decorator.decorator
    def wrap(function, *args, **kwargs):
        if not kwargs.pop('disable_warning', False):
            warn(msg, DeprecationWarning)
        return function(*args, **kwargs)
    return wrap