pub unsafe extern "C" fn fdb_transaction_add_conflict_range(
tr: *mut FDBTransaction,
begin_key_name: *const u8,
begin_key_name_length: c_int,
end_key_name: *const u8,
end_key_name_length: c_int,
type_: FDBConflictRangeType
) -> fdb_error_t