def METHOD_NAME(component_diff_path: str):
    if not os.path.isfile(component_diff_path):
        ci.util.info('no component_diff found at: ' + str(component_diff_path))
        return set()
    else:
        component_diff = ci.util.parse_yaml_file(component_diff_path)
        comp_names = component_diff.get('component_names_with_version_changes', set())
        return set(comp_names)