import { PropertyValues, TemplateResult } from "lit-element";
import { AriaRole } from "../../util/aria";
import { FormElementBehavior, IFormElementBehaviorProperties } from "../form-element/index";
/**
 * Events the switch can dispatch.
 */
export declare enum SwitchBehaviorEvent {
    CHANGE = "change"
}
/**
 * Properties of the switch behavior.
 */
export interface ISwitchBehaviorProperties extends IFormElementBehaviorProperties {
    checked: boolean;
    ariaChecked: string;
}
/**
 * Provides switch behavior.
 * @event change - Dispatched when the checked property changes due to a user interaction.
 */
export declare abstract class SwitchBehavior extends FormElementBehavior implements ISwitchBehaviorProperties {
    static styles: import("lit-element").CSSResult[];
    /**
     * Checks the switch.
     * @attr
     */
    checked: boolean;
    /**
     * Aria checked attribute.
     * @attr aria-checked
     */
    ariaChecked: string;
    /**
     * Role of the switch.
     * @attr
     */
    role: AriaRole;
    /**
     * Type of the form element.
     */
    protected formElementType: string;
    /**
     * Hooks up the element.
     * @param props
     */
    protected firstUpdated(props: Map<keyof ISwitchBehaviorProperties, unknown>): void;
    /**
     * Reacts to properties when they change.
     * @param props
     */
    protected updated(props: Map<keyof ISwitchBehaviorProperties, unknown>): void;
    /**
     * Updates the aria attributes.
     */
    protected updateAria(props: PropertyValues): void;
    /**
     * Attaches the keydown and click listeners.
     */
    protected attachListeners(): void;
    /**
     * Handles that the switch was clicked.
     * @param e
     */
    protected onClick(e: MouseEvent): void;
    /**
     * Checks and unchecks the component.
     */
    protected toggle(): void;
    /**
     * Dispatch that the switch was toggled.
     */
    protected dispatchChangeEvent(): void;
    /**
     * Handles the key down event.
     * @param e
     */
    protected onKeyDown(e: KeyboardEvent): void;
    /**
     * Returns the template for the form element
     */
    protected renderFormElement(): TemplateResult;
}