import { EventEmitter } from '../../stencil-public-runtime';
/**
 * The trigger element that opens a connected `r-popover` on click or hover. Place in the `trigger` slot of `r-popover`.
 *
 * Example
 * ```
 * <r-popover>
 *   <r-popover-trigger>
 *     <r-icon-button name="info" label="More information"></r-icon-button>
 *   </r-popover-trigger>
 * </r-popover>
 * ```
 *
 * @slot - The trigger element that opens the popover on interaction
 */
export declare class PopoverTrigger {
    host: HTMLRPopoverTriggerElement;
    /**
     * Event emitted when the mouse enters the trigger
     * @event triggerMouseEnter
     * @property {HTMLRPopoverTriggerElement} element - The trigger element
     * @property {MouseEvent} event - The mouse event
     */
    triggerMouseEnter: EventEmitter;
    /**
     * Event emitted when the mouse leaves the trigger
     * @event triggerMouseLeave
     * @property {HTMLRPopoverTriggerElement} element - The trigger element
     * @property {MouseEvent} event - The mouse event
     */
    triggerMouseLeave: EventEmitter;
    private get activeElement();
    /**
     * Set focus on the first focusable element within the trigger
     * @returns {Promise<HTMLElement | null>} The focused element or null if no element is found
     */
    setFocus(): Promise<any>;
    /**
     * Remove focus from the first focusable element within the trigger
     */
    setBlur(): Promise<void>;
    private handleMouseEnter;
    private handleMouseLeave;
    render(): any;
}