import * as React from "react";
import * as PropTypes from "prop-types";
import { ModelError } from "../Model";
import { FormContext } from "../Form";
import { OnValidateProps } from "./OnValidateProps";
export declare class OnValidate extends React.Component<OnValidateProps> {
    static readonly propTypes: {
        onValidate: PropTypes.Validator<any>;
        groups: PropTypes.Validator<any>;
    };
    static readonly contextTypes: {
        validate: PropTypes.Validator<(...args: any[]) => any>;
        getError: PropTypes.Validator<(...args: any[]) => any>;
        values: PropTypes.Validator<(object | null | undefined)[]>;
    };
    static readonly childContextTypes: {
        validate: PropTypes.Validator<(...args: any[]) => any>;
    };
    readonly context: Pick<FormContext, "validate" | "getError" | "values">;
    getChildContext(): Pick<FormContext, "validate">;
    render(): React.ReactNode;
    protected validate: (group: string) => Promise<ModelError[]>;
}