type DeepKeyAndValueObject<TParent, T, TAcc, TAllKeys> = TAllKeys extends any ? DeepKeysAndValuesImpl<NonNullable<T[TAllKeys]>, ObjectDeepKeyAndValue<TParent, T, TAllKeys>,
  | TAcc
  | ObjectDeepKeyAndValue<TParent, T, TAllKeys>> : never;

type DeepKeyAndValueObject<TParent, T, TAcc, TAllKeys> = TAllKeys extends any ? DeepKeysAndValuesImpl<NonNullable<T[TAllKeys]>, ObjectDeepKeyAndValue<TParent, T, TAllKeys>,
  | TAcc
  | ObjectDeepKeyAndValue<TParent, T, TAllKeys>> : never;