import { LitElement } from 'lit';
declare const Base: Constructor<import("./mixins/form-associated.js").FormAssociatedInterface> & Constructor<import("./mixins/internals-attached.js").InternalsAttachedInterface> & typeof LitElement;
export declare class Checkbox extends Base {
    #private;
    checked: boolean;
    indeterminate: boolean;
    required: boolean;
    static styles: any[];
    constructor();
    connectedCallback(): void;
    disconnectedCallback(): void;
    protected updated(changed: Map<string, any>): void;
    protected updateState(): void;
    protected toggleChecked(): void;
    formResetCallback(): void;
    formStateRestoreCallback(state: string, _reason: string): void;
}
export {};