import type { Brand } from '../type/brand/index.js';
declare module "../Brands-augmentation" {
    interface Brands {
        plain: {};
    }
}
export type PlainObject<S extends {} = {}> = S & object & Brand<'plain'>;
export declare function isPlainObject<CastToType extends {} = {}>(x: unknown): x is PlainObject<CastToType>;
//# sourceMappingURL=PlainObject.d.ts.map