Return a fully-qualified example string.

def example_path(cls, project, dataset, annotated_dataset, example):
        """Return a fully-qualified example string."""
        return google.api_core.path_template.expand(
            "projects/{project}/datasets/{dataset}/annotatedDatasets/{annotated_dataset}/examples/{example}",
            project=project,
            dataset=dataset,
            annotated_dataset=annotated_dataset,
            example=example,
        )