SYMBOL INDEX (9 symbols across 1 files) FILE: url_checker.py class CheckResult (line 38) | class CheckResult: function parse_args (line 46) | def parse_args() -> argparse.Namespace: function clean_url (line 73) | def clean_url(raw_url: str) -> str: function extract_urls (line 86) | def extract_urls(content: str) -> list[str]: function build_session (line 97) | def build_session() -> Session: function should_fallback_to_get (line 123) | def should_fallback_to_get(status_code: int) -> bool: function check_one_url (line 127) | def check_one_url(url: str, timeout: int) -> CheckResult: function check_all (line 155) | def check_all(urls: Iterable[str], timeout: int, workers: int) -> list[C... function main (line 164) | def main() -> int: