from typing import List


def _extract_fragments(name: str) -> List[str]:
    """Return the fragments deliminted by '/', excluding the final component.
    Since every component before the final component is followed by a '/', each
    fragment returned by this method includes the trailing '/' to obtain higher
    compression. For example, "America/Argentina/Buenos_Aires" returns
    ["America/", "Argentina/"]. But "UTC" returns [].
    """
    components = name.split('/')
    return [component + '/' for component in components[:-1]]