<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def getSolutions(self):
 """ Find and return all solutions to the problem Example: True [{'a': 42}] @return: All solutions for the problem @rtype: list of dictionaries mapping variables to values """

        domains, constraints, vconstraints = self._getArgs()
        if not domains:
            return []
        return self._solver.getSolutions(domains, constraints, vconstraints)