import { EventEmitter } from '../../stencil-public-runtime';
export type BannerIntent = 'neutral' | 'brand' | 'positive' | 'warning' | 'caution' | 'negative';
export type BannerContrast = 'faint' | 'medium' | 'strong' | 'bold';
export type BannerAnnouncement = 'none' | 'polite' | 'assertive';
export type BannerOrientation = 'horizontal' | 'vertical';
export declare class Banner {
    el: HTMLElement;
    /** Required explanatory copy. */
    description: string;
    /** Optional visual heading rendered before the description. */
    heading: string;
    /** Semantic color family. */
    intent: BannerIntent;
    /** Surface fill weight. */
    contrast: BannerContrast;
    /** Copy and action-lane arrangement, selected by the application. */
    orientation: BannerOrientation;
    /** Controlled visibility. Keep the element mounted until dsAfterClose when unmounting. */
    open: boolean;
    /** Localized accessible label for the close control. */
    dismissLabel: string;
    /** Live-region urgency, independent of visual intent. */
    announcement: BannerAnnouncement;
    /** Emitted when the close control requests dismissal. The application controls open. */
    dsClose: EventEmitter<MouseEvent>;
    /** Emitted once after controlled exit motion and layout collapse complete. */
    dsAfterClose: EventEmitter<void>;
    private rendered;
    private phase;
    private hasActions;
    private loaded;
    private transitionTimer;
    private openFrame;
    private closePending;
    componentWillLoad(): void;
    componentDidLoad(): void;
    disconnectedCallback(): void;
    onOpenChange(isOpen: boolean): void;
    private get closeMotionMs();
    private clearTransitionWork;
    private startOpen;
    private startClose;
    private finishClose;
    private updateActionsPresence;
    private requestClose;
    private get role();
    private get ariaLive();
    render(): any;
}
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