import * as React from 'react';
export interface FormValueNotifier {
    state: {
        value: any;
    };
    props: {
        name?: string;
    };
    setState(state: {
        value: any;
        error?: React.ReactChild;
    }): void;
    setState(state: {
        error?: React.ReactChild;
    }): void;
}
export interface FormValueChange {
    name: string;
    value: any;
    validateWith?: Array<string>;
}
export interface FormContextType {
    change(data: FormValueChange): void;
    subscribe(field: FormValueNotifier): void;
    unsubscribe(field: FormValueNotifier): void;
}
export declare const FormContext: React.Context<FormContextType | undefined>;