import { IAnyObject } from '../utils';
export declare const emptySign: unique symbol;
export declare class UpdateFormStream {
    values: unknown[];
    update: (values: unknown[]) => void;
    props: IAnyObject;
    constructor(props: IAnyObject, update: (values: unknown[]) => void);
    init(): void;
    appendValue(value: unknown): void;
    appendOtherValue(value: unknown, i?: number): void;
    end(): void;
}