import { LitElement } from 'lit';
export interface ValidityStateFlags {
    badInput?: boolean;
    customError?: boolean;
    patternMismatch?: boolean;
    rangeOverflow?: boolean;
    rangeUnderflow?: boolean;
    stepMismatch?: boolean;
    tooLong?: boolean;
    tooShort?: boolean;
    typeMismatch?: boolean;
    valueMissing?: boolean;
}
export interface FormAssociatedProps {
    readonly: boolean;
    disabled: boolean;
    name: string;
    required: boolean;
    value: string;
}
export interface FormAssociated extends FormAssociatedProps {
    readonly validationMessage: string;
    validity: ValidityStateFlags;
    notify(): void;
    validate(): void;
    checkValidity(): boolean;
    reportValidity(): boolean;
    validityDefault(): void;
    setValidity(flags: ValidityStateFlags, message?: string, anchor?: HTMLElement): void;
}
export declare type ProxyElement = HTMLSelectElement | HTMLTextAreaElement | HTMLInputElement;
export declare type FormAssociatedElement = FormAssociated & LitElement;