#[no_mangle]
extern "C" fn ICU4XTitlecaseMapper_create(
provider: &ICU4XDataProvider,
) -> DiplomatResult<Box<ICU4XTitlecaseMapper>, ICU4XError>
#[no_mangle]
extern "C" fn ICU4XTitlecaseMapper_create(
provider: &ICU4XDataProvider,
) -> DiplomatResult<Box<ICU4XTitlecaseMapper>, ICU4XError>