#[no_mangle]
extern "C" fn ICU4XTimeZoneIdMapper_find_canonical_iana_from_bcp47(
    this: &ICU4XTimeZoneIdMapper,
    value_diplomat_data: *const u8,
    value_diplomat_len: usize,
    write: &mut DiplomatWriteable,
) -> DiplomatResult<(), ICU4XError>