LINE_LENGTH: 79

**********
def build_mapping() -> dict[str, str]:
    """
    Build mapping.

    Returns
    -------
    The mapping from keys to values.
    """
    return {}

**********
def build_mapping() -> dict[str, str]:
    """
    Build mapping.

    Returns
    -------
    dict[str, str]
        The mapping from keys to values.
    """
    return {}
