import type { LitElement } from 'lit';
type Constructor<T = Record<string, unknown>> = new (...args: any[]) => T;
export declare class InputMixinInterface {
    name?: string;
    value: string;
    disabled: boolean;
    protected _formId?: string;
    set form(id: string);
    get form(): HTMLFormElement | null;
}
export declare function InputMixin<T extends Constructor<LitElement>>(superClass: T): Constructor<InputMixinInterface> & T;
export {};