import { Equals } from './equals';
/**
 * 返回非readonly的类型
 * @example
 * 输入：
 * type Example = { readonly foo: string; bar: number };
 * type example = MutableKeys<Example>
 * 输出：
 * type example = { bar:number }
 */
export type MutableKeys<T> = Pick<T, {
    [K in keyof T]: Equals<{
        [O in K]: T[K];
    }, {
        -readonly [O in K]: T[K];
    }, K>;
}[keyof T]>;