/**
 * 字符串类型对象
 */
declare type Recordable<T = any> = Record<string, T>;

/**
 * 字符串类型对象（只读）
 */
declare type ReadonlyRecordable<T = any> = {
    readonly [key: string]: T;
};

/**
 *  T | null 包装
 */
declare type Nullable<T> = T | null;

/**
 * T | Not null 包装
 */
declare type NonNullable<T> = T extends null | undefined ? never : T;

declare type Indexable<T = any> = {
    [key: string]: T;
  };

declare type DeepPartial<T> = {
    [P in keyof T]?: DeepPartial<T[P]>;
};
/**
 * 任意类型的异步函数
 */
declare type AnyPromiseFunction = (...arg: any[]) => PromiseLike<any>;

/**
 * 任意类型的普通函数
 */
declare type AnyNormalFunction = (...arg: any[]) => any;

/**
 * 任意类型的函数
 */
declare type AnyFunction = AnyNormalFunction | AnyPromiseFunction;

/**
 * setTimeout 返回值类型
 */
type TimeoutHandle = ReturnType<typeof setTimeout>;

/**
 * setInterval 返回值类型
 */
type IntervalHandle = ReturnType<typeof setInterval>;

declare type FormType = 'create' | 'update'