def METHOD_NAME(content: str, base: str):
    pattern = re.compile(
        r"^\s*@([a-zA-Z0-9_]+?)\s*:\s*([a-zA-Z0-9_/]+?);\s*$",
        flags=re.MULTILINE
    )
    matches = pattern.findall(content)
    paths = []
    for prefix, search_path in matches:
        paths.append((prefix, os.path.join(base, search_path)))
    content = pattern.sub("", content)
    return content, paths