type ReadOnlyPrimitive = undefined | null | boolean | string | number | ((...args: any[]) => any) | Date;
export type ReadOnly<T> = T extends ReadOnlyPrimitive ? T : T extends Array<infer U> ? T & Array<ReadOnly<U>> : T extends Map<infer K, infer V> ? T & Map<ReadOnly<K>, ReadOnly<V>> : T extends Set<infer M> ? T & Set<ReadOnly<M>> : {
    readonly [K in keyof T]: ReadOnly<T[K]>;
};
export {};