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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def __get_keys_map(self, bundleId, languageId, fallback=False):

 """Returns key-value pairs for the specified language.
 If fallback is ``True``, source language value is used if translated
 value is not available.
 """

        return self.__get_language_data(bundleId=bundleId,
            languageId=languageId, fallback=fallback)