def normalize_partial_name(decl):
    """
    Cached variant of normalize

    Args:
        decl (declaration.declaration_t): the declaration

    Returns:
        str: normalized name
    """
    if decl.cache.normalized_partial_name is None:
        decl.cache.normalized_partial_name = normalize(decl.partial_name)
    return decl.cache.normalized_partial_name