export type AsyncOrSync<V> = V | Promise<V>;
export type Has<N extends number | string | symbol, V> = {
    readonly [K in N]: V;
};
export type Get<O, N extends keyof O | string, D = never> = O extends Has<N, infer V> ? V & {} : D;
export type Lookup<O, N extends keyof O | string, D = undefined> = O extends Has<N, infer V> ? V & {} : O extends Partial<Has<N, infer V>> ? (V & {}) | undefined : D;
export type Exact<T, V> = T extends V ? Exclude<keyof T, keyof V> extends never ? T : never : never;
export type Values<O> = O[keyof O];
export type KeysOfValues<O> = Values<{
    [K in keyof O]: O[K] extends never ? never : keyof O[K];
}>;