import { EventEmitter } from '@angular/core';
import { BehaviorSubject } from 'rxjs';
import * as i0 from "@angular/core";
export declare class HeadwindPopoverService {
    /** Emits to open popover */
    openPopover: EventEmitter<void>;
    /** Emits to close popover */
    closePopover: EventEmitter<void>;
    /** Popover opened status */
    popoverOpened$: BehaviorSubject<boolean>;
    get popoverOpened(): boolean;
    set popoverOpened(value: boolean);
    static ɵfac: i0.ɵɵFactoryDeclaration<HeadwindPopoverService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<HeadwindPopoverService>;
}