code: def annotation_spec_path(cls, project, location, dataset, annotation_spec):
          
          return google.api_core.path_template.expand(
              "projects/{project}/locations/{location}/datasets/{dataset}/annotationSpecs/{annotation_spec}",
              project=project,
              location=location,
              dataset=dataset,
              annotation_spec=annotation_spec,
          )
docs: Return a fully-qualified annotation_spec string.