#[unsafe(no_mangle)]extern "C" fn ICU4XUnicodeSetData_contains_char(
    this: &ICU4XUnicodeSetData,
    cp: DiplomatChar,
) -> bool#[unsafe(no_mangle)]extern "C" fn ICU4XUnicodeSetData_contains_char(
    this: &ICU4XUnicodeSetData,
    cp: DiplomatChar,
) -> bool