import * as React from 'react';
import { AsyncChildContext } from './Async';
import { Field } from './Field';
import { FieldFeedbacksChildContext } from './FieldFeedbacks';
import { FieldFeedbackType } from './FieldFeedbackType';
import { FieldFeedbackValidation } from './FieldFeedbackValidation';
import { FormWithConstraintsChildContext } from './FormWithConstraints';
import { InputElement } from './InputElement';
import { Nullable } from './Nullable';
declare type WhenString = 'valid' | '*' | 'badInput' | 'patternMismatch' | 'rangeOverflow' | 'rangeUnderflow' | 'stepMismatch' | 'tooLong' | 'tooShort' | 'typeMismatch' | 'valueMissing';
declare type WhenFn = (value: string) => boolean;
declare type When = WhenString | WhenFn;
export interface FieldFeedbackClasses {
    classes?: {
        [index: string]: string | undefined;
        error?: string;
        warning?: string;
        info?: string;
        whenValid?: string;
    };
}
export interface FieldFeedbackBaseProps {
    when?: When;
    error?: boolean;
    warning?: boolean;
    info?: boolean;
}
export interface FieldFeedbackProps extends FieldFeedbackBaseProps, FieldFeedbackClasses, React.HTMLAttributes<HTMLSpanElement> {
}
interface FieldFeedbackState {
    validation: FieldFeedbackValidation;
    validationMessage: string;
}
export declare type FieldFeedbackContext = FormWithConstraintsChildContext & FieldFeedbacksChildContext & Partial<Nullable<AsyncChildContext>>;
export declare class FieldFeedback<Props extends FieldFeedbackBaseProps = FieldFeedbackProps> extends React.Component<Props, FieldFeedbackState> {
    static defaultProps: FieldFeedbackProps;
    static contextTypes: React.ValidationMap<FieldFeedbackContext>;
    context: FieldFeedbackContext;
    readonly key: string;
    constructor(props: Props, context: FieldFeedbackContext);
    componentDidMount(): void;
    componentWillUnmount(): void;
    validate: (input: InputElement) => {
        key: string;
        type: FieldFeedbackType;
        show: boolean | undefined;
    };
    fieldDidReset: (field: Field) => void;
    render(): JSX.Element | null;
}
export {};