zkApp Developerso1js ReferenceType-AliasesProvableWithEmptyProvableWithEmptytype ProvableWithEmpty<T, TValue>: Provable<T, TValue> & { "empty": () => T;};Type declarationempty()empty: () => T;ReturnsTType parameters• T• TValue = anySourcelib/provable/types/provable-intf.ts:118