import { EventEmitter, JSX } from '../../stencil-public-runtime';
export declare class AirDropdownBase {
    /** Reference to the host element */
    host: HTMLAirDropdownBaseElement;
    /** Defines the open state */
    opened: boolean;
    /** Specifies if dropdown should be disabled */
    disabled: boolean;
    /** Defines trigger element */
    trigger?: HTMLElement;
    /** Triggers when dropdown is open */
    open: EventEmitter<void>;
    /** Triggers when dropdown is closed */
    close: EventEmitter<void>;
    /** Listen click event outside to close dropdown */
    handleClickOutside(event: MouseEvent): void;
    private triggerElement?;
    private contentElement?;
    private contentPositionAnimationRequestId;
    componentDidRender(): void;
    disconnectedCallback(): void;
    private getTriggerPosition;
    private getContentTopPosition;
    private updateContentStyles;
    /**
     * The content position needs to be updated accordingly to trigger position on scroll
     */
    private contentPositionAnimationFrame;
    private onOpen;
    private onClose;
    private handleTriggerClick;
    private handleContentKeyDown;
    private getContentWidth;
    private getPlacement;
    render(): JSX.Element;
}