def is_item_title(title: str, filing_type: Optional[str]) -> bool:
    """Determines if a title corresponds to an item heading."""
    if filing_type in REPORT_TYPES:
        return is_10k_item_title(title)
    elif filing_type in S1_TYPES:
        return is_s1_section_title(title)
    return False
Determines if a title corresponds to an item heading.
llama-index-integrations/readers/llama-index-readers-sec-filings/llama_index/readers/sec_filings/prepline_sec_filings/sec_document.py