import { IsTupleList, List } from "../list";
import { Builtin } from "../primitive";
import { IsUnknown } from "../type";
import { Optional } from ".";
/**
 * makes (nested) keys of an object optional
 *
 * @since 0.0.2
 */
export type DeepOptional<T> = T extends Builtin ? T : T extends Promise<infer U> ? Promise<DeepOptional<U>> : IsTupleList<T> extends true ? {
    [K in keyof T]?: DeepOptional<T[K]>;
} : T extends List<infer U> ? List<DeepOptional<U> | undefined> : T extends Map<infer K, infer V> ? Map<DeepOptional<K>, DeepOptional<V>> : T extends Set<infer U> ? Set<DeepOptional<U>> : T extends ReadonlyMap<infer K, infer V> ? ReadonlyMap<DeepOptional<K>, DeepOptional<V>> : T extends ReadonlySet<infer U> ? ReadonlySet<DeepOptional<U>> : T extends WeakMap<infer K, infer V> ? WeakMap<DeepOptional<K>, DeepOptional<V>> : T extends WeakSet<infer U> ? WeakSet<DeepOptional<U>> : T extends {} ? {
    [K in keyof T]?: DeepOptional<T[K]>;
} : IsUnknown<T> extends true ? unknown : Optional<T>;
//# sourceMappingURL=deep-optional.d.ts.map