import { EventEmitter } from '@angular/core';
import * as i0 from "@angular/core";
import * as i1 from "@skyux/theme";
/**
 * Creates an accessible button that wraps the chevron icon.
 * @internal
 */
export declare class SkyChevronComponent {
    /**
     * The element whose contents are controlled by the chevron.
     * This sets the chevron's `aria-controls` attribute
     * [to support accessibility](https://developer.blackbaud.com/skyux/learn/accessibility).
     * For more information about the `aria-controls` attribute, see the [WAI-ARIA definition](https://www.w3.org/TR/wai-aria/#aria-controls).
     */
    ariaControls: string | undefined;
    /**
     * The ARIA label for the chevron. This sets the chevron's `aria-label` attribute to provide a text equivalent for screen readers
     * [to support accessibility](https://developer.blackbaud.com/skyux/learn/accessibility).
     * For more information about the `aria-label` attribute, see the [WAI-ARIA definition](https://www.w3.org/TR/wai-aria/#aria-label).
     */
    ariaLabel: string | undefined;
    /**
     * The direction that the chevron points, which can be up or down.
     */
    set direction(value: string | undefined);
    /**
     * Whether to disable the chevron button.
     */
    disabled: boolean;
    /**
     * Fires when the direction of the chevron changes.
     */
    directionChange: EventEmitter<string>;
    ariaExpanded: boolean;
    directionOrDefault: string;
    chevronClick(event: Event): void;
    chevronKeyDown(event: KeyboardEvent): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SkyChevronComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<SkyChevronComponent, "sky-chevron", never, { "ariaControls": { "alias": "ariaControls"; "required": false; }; "ariaLabel": { "alias": "ariaLabel"; "required": false; }; "direction": { "alias": "direction"; "required": false; }; "disabled": { "alias": "disabled"; "required": false; }; }, { "directionChange": "directionChange"; }, never, never, false, [{ directive: typeof i1.SkyThemeComponentClassDirective; inputs: {}; outputs: {}; }]>;
}