import { LitElement } from 'lit-element';
export declare class BaseButton extends LitElement {
    readonly: boolean;
    role: string;
    type: 'button' | 'submit';
    name: string;
    value: string;
    disabled: boolean;
    private templateButton;
    private anchor;
    private hiddenButton;
    protected readonly hiddenButtonTemplate: import("lit-element").TemplateResult;
    protected render(): import("lit-element").TemplateResult;
    protected firstUpdated(props: Map<string, any>): void;
    protected updated(props: Map<string, any>): void;
    /**
     * We have to append a hidden button outside the web component in the light DOM
     * This allows us to trigger native submit events within a form element.
     */
    private setupNativeButtonBehavior;
    private triggerNativeButtonBehavior;
    private appendHiddenButton;
    private emulateKeyBoardEventBehavior;
    private updateButtonAttributes;
}