UpdateServiceDefinitions.
        [Preview API]
        :param :class:`<VssJsonCollectionWrapper> <azure.devops.v5_0.location.models.VssJsonCollectionWrapper>` service_definitions:

def update_service_definitions(self, service_definitions):
        """UpdateServiceDefinitions.
        [Preview API]
        :param :class:`<VssJsonCollectionWrapper> <azure.devops.v5_0.location.models.VssJsonCollectionWrapper>` service_definitions:
        """
        content = self._serialize.body(service_definitions, 'VssJsonCollectionWrapper')
        self._send(http_method='PATCH',
                   location_id='d810a47d-f4f4-4a62-a03f-fa1860585c4c',
                   version='5.0-preview.1',
                   content=content)