#[unsafe(no_mangle)]extern "C" fn ICU4XCodePointSetData_contains(
    this: &ICU4XCodePointSetData,
    cp: DiplomatChar,
) -> bool#[unsafe(no_mangle)]extern "C" fn ICU4XCodePointSetData_contains(
    this: &ICU4XCodePointSetData,
    cp: DiplomatChar,
) -> bool