#[no_mangle]
extern "C" fn ICU4XTimeZoneIdMapperWithFastCanonicalization_canonicalize_iana(
    this: &ICU4XTimeZoneIdMapperWithFastCanonicalization,
    value_diplomat_data: *const u8,
    value_diplomat_len: usize,
    write: &mut DiplomatWriteable,
) -> DiplomatResult<(), ICU4XError>