pub unsafe extern "C" fn BrotliEncoderPrepareDictionary(
type_: BrotliSharedDictionaryType,
data_size: usize,
data: *const u8,
quality: c_int,
alloc_func: brotli_alloc_func,
free_func: brotli_free_func,
opaque: *mut c_void,
) -> *mut BrotliEncoderPreparedDictionary