pub unsafe extern "C" fn BrotliEncoderCreateWorkPool( num_threads: usize, alloc_func: Option<extern "C" fn(_: *mut c_void, _: usize) -> *mut c_void>, free_func: Option<extern "C" fn(_: *mut c_void, _: *mut c_void)>, opaque: *mut c_void) -> *mut BrotliEncoderWorkPool