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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 interconnect_link_topologies(self):
 """ Gets the InterconnectLinkTopologies API client. Returns: InterconnectLinkTopologies: """

        if not self.__interconnect_link_topologies:
            self.__interconnect_link_topologies = InterconnectLinkTopologies(self.__connection)
        return self.__interconnect_link_topologies