import { CSSResultArray, PropertyValues, TemplateResult } from 'lit';
import { LuzmoButtonBase } from './../button/button-base';
export declare const longPressDuration = 300;
export type LongpressEvent = {
    source: 'pointer' | 'keyboard';
};
declare const LuzmoActionButton_base: typeof LuzmoButtonBase & {
    new (...args: any[]): import("../..").SizedElementInterface;
    prototype: import("../..").SizedElementInterface;
};
/**
 * @element luzmo-action-button
 *
 * @slot - text label of the Action Button
 * @slot icon - The icon to use for Action Button
 * @fires change - Announces a change in the `selected` property of an action button
 * @fires longpress - Synthesizes a "longpress" interaction that signifies a
 * `pointerdown` event that is >=300ms or a keyboard event where code is `Space` or code is `ArrowDown`
 * while `altKey===true`.
 */
export declare class LuzmoActionButton extends LuzmoActionButton_base {
    static get styles(): CSSResultArray;
    /**
     * Affects the display of a **selected** Action Button
     */
    emphasized: boolean;
    /**
     * Whether the Action Button should display a hold affordance
     */
    holdAffordance: boolean;
    /**
     * Whether the Action Button should show in a quiet state
     */
    quiet: boolean;
    /**
     * The role for the Action Button
     */
    role: string;
    /**
     * Whether an Action Button with `role='button'`
     * should also be `aria-pressed='true'`
     */
    selected: boolean;
    /**
     * Whether to automatically manage the `selected`
     * attribute on interaction and whether `aria-pressed="false"`
     * should be used when `selected === false`
     */
    toggles: boolean;
    /**
     * The static color variant to use for the action button.
     */
    staticColor?: 'white' | 'black';
    /**
     * The value of the Action Button
     */
    get value(): string;
    set value(value: string);
    private _value;
    /**
     * @private
     */
    get itemText(): string;
    constructor();
    private onClick;
    private handlePointerdownHoldAffordance;
    private handlePointerupHoldAffordance;
    /**
     * @private
     */
    protected handleKeydown(event: KeyboardEvent): void;
    protected handleKeyup(event: KeyboardEvent): void;
    protected get buttonContent(): TemplateResult[];
    protected updated(changes: PropertyValues): void;
}
declare global {
    interface GlobalEventHandlersEventMap {
        longpress: CustomEvent<LongpressEvent>;
    }
}
export {};