#[no_mangle]
extern "C" fn ICU4XFixedDecimalFormatter_create_with_grouping_strategy(
    provider: &ICU4XDataProvider,
    locale: &ICU4XLocale,
    grouping_strategy: ICU4XFixedDecimalGroupingStrategy,
) -> DiplomatResult<Box<ICU4XFixedDecimalFormatter>, ICU4XError>