pub unsafe extern "C" fn fdb_future_get_keyrange_array(
f: *mut FDBFuture,
out_ranges: *mut *const FDBKeyRange,
out_count: *mut c_int,
) -> fdb_error_t
pub unsafe extern "C" fn fdb_future_get_keyrange_array(
f: *mut FDBFuture,
out_ranges: *mut *const FDBKeyRange,
out_count: *mut c_int,
) -> fdb_error_t