def METHOD_NAME(self, query: str) -> str | None:
    """
    Returns the fuzzy match of a query if its ratio is above "MINIMUM_CERTAINTY" else returns None.
    "MINIMUM_CERTAINTY" is the lowest score at which the fuzzy match will return a result.
    The certainty returned by rapidfuzz.process.extractOne is a score between 0 and 100,
    with 100 being a perfect match.
    """
    match, certainty, _ = rapidfuzz.process.extractOne(query, self.headers.keys())
    return match if certainty > MINIMUM_CERTAINTY else None