declare type DeepPartialUnion<T, TAlt> = (T | TAlt | (T extends object ? {
    readonly [P in keyof T]?: T[P] extends Array<infer U> ? TAlt | Array<DeepPartialUnion<U, TAlt>> : T[P] extends ReadonlyArray<infer U> ? TAlt | ReadonlyArray<DeepPartialUnion<U, TAlt>> : DeepPartialUnion<T[P], TAlt>;
} : T));
export default DeepPartialUnion;