GetDefinitionTags.
        [Preview API] Gets the tags for a definition.
        :param str project: Project ID or project name
        :param int definition_id: The ID of the definition.
        :param int revision: The definition revision number. If not specified, uses the latest revision of the definition.
        :rtype: [str]

def get_definition_tags(self, project, definition_id, revision=None):
        """GetDefinitionTags.
        [Preview API] Gets the tags for a definition.
        :param str project: Project ID or project name
        :param int definition_id: The ID of the definition.
        :param int revision: The definition revision number. If not specified, uses the latest revision of the definition.
        :rtype: [str]
        """
        route_values = {}
        if project is not None:
            route_values['project'] = self._serialize.url('project', project, 'str')
        if definition_id is not None:
            route_values['definitionId'] = self._serialize.url('definition_id', definition_id, 'int')
        query_parameters = {}
        if revision is not None:
            query_parameters['revision'] = self._serialize.query('revision', revision, 'int')
        response = self._send(http_method='GET',
                              location_id='cb894432-134a-4d31-a839-83beceaace4b',
                              version='5.0-preview.2',
                              route_values=route_values,
                              query_parameters=query_parameters)
        return self._deserialize('[str]', self._unwrap_collection(response))