import { CacheBranchAsync } from '../CacheBranchAsync';
import { CacheBranchSync } from '../CacheBranchSync';
export type NullableCacheDataGeneratorAsync<T extends Record<string, any>, K extends keyof T> = (branch: CacheBranchAsync<T>) => Promise<T[K] | undefined>;
export type NullableCacheDataGeneratorSync<T extends Record<string, any>, K extends keyof T> = (branch: CacheBranchSync<T>) => T[K] | undefined;
export type NullableCacheDataGenerator<T extends Record<string, any>, K extends keyof T> = NullableCacheDataGeneratorSync<T, K> | NullableCacheDataGeneratorAsync<T, K>;
export type CacheDataGeneratorAsync<T extends Record<string, any>, K extends keyof T> = (branch: CacheBranchAsync<T>) => Promise<T[K]>;
export type CacheDataGeneratorSync<T extends Record<string, any>, K extends keyof T> = (branch: CacheBranchSync<T>) => T[K];
export type CacheDataGenerator<T extends Record<string, any>, K extends keyof T> = CacheDataGeneratorSync<T, K> | CacheDataGeneratorAsync<T, K>;
export type CacheDataCopy<T extends Record<string, any>, K extends keyof T> = (raw: T[K]) => T[K];
export type CacheDirection = 'top-down' | 'bottom-up';
export type Deferred<T> = T | Promise<T>;