GetExtensionRights.
        [Preview API]
        :rtype: :class:`<ExtensionRightsResult> <azure.devops.v5_0.licensing.models.ExtensionRightsResult>`

def get_extension_rights(self):
        """GetExtensionRights.
        [Preview API]
        :rtype: :class:`<ExtensionRightsResult> <azure.devops.v5_0.licensing.models.ExtensionRightsResult>`
        """
        response = self._send(http_method='GET',
                              location_id='5f1dbe21-f748-47c7-b5fd-3770c8bc2c08',
                              version='5.0-preview.1')
        return self._deserialize('ExtensionRightsResult', response)