import { AnimationEvent } from '@angular/animations';
import { Direction } from '@angular/cdk/bidi';
import { ElementRef, EventEmitter, InjectionToken, NgZone, OnDestroy, OnInit, TemplateRef } from '@angular/core';
import { Subject } from 'rxjs';
import { MtxPopoverContent } from './popover-content';
import { MtxPopoverDefaultOptions, MtxPopoverPanel } from './popover-interfaces';
import { MtxPopoverPosition, MtxPopoverTriggerEvent, PopoverCloseReason } from './popover-types';
import * as i0 from "@angular/core";
/** Injection token to be used to override the default options for `mtx-popover`. */
export declare const MTX_POPOVER_DEFAULT_OPTIONS: InjectionToken<MtxPopoverDefaultOptions>;
/** @docs-private */
export declare function MTX_POPOVER_DEFAULT_OPTIONS_FACTORY(): MtxPopoverDefaultOptions;
export declare class MtxPopover implements MtxPopoverPanel, OnInit, OnDestroy {
    private _elementRef;
    private _unusedNgZone;
    private _defaultOptions;
    private _previousElevation?;
    private _elevationPrefix;
    private _baseElevation;
    /** Config object to be passed into the popover's class. */
    _classList: {
        [key: string]: boolean;
    };
    /** Current state of the panel animation. */
    _panelAnimationState: 'void' | 'enter';
    /** Emits whenever an animation on the popover completes. */
    readonly _animationDone: Subject<AnimationEvent>;
    /** Whether the popover is animating. */
    _isAnimating: boolean;
    /** Closing disabled on popover */
    closeDisabled: boolean;
    /** Config object to be passed into the popover's arrow style */
    arrowStyles?: Record<string, unknown>;
    /** Layout direction of the popover. */
    direction?: Direction;
    /** Class or list of classes to be added to the overlay panel. */
    overlayPanelClass: string | string[];
    /** Class to be added to the backdrop element. */
    backdropClass: string | undefined;
    /** aria-label for the popover panel. */
    ariaLabel?: string;
    /** aria-labelledby for the popover panel. */
    ariaLabelledby?: string;
    /** aria-describedby for the popover panel. */
    ariaDescribedby?: string;
    /** Popover's trigger event. */
    triggerEvent: MtxPopoverTriggerEvent;
    /** Popover's enter delay. */
    enterDelay: number;
    /** Popover's leave delay. */
    leaveDelay: number;
    /** Popover's position. */
    get position(): MtxPopoverPosition;
    set position(value: MtxPopoverPosition);
    private _position;
    /** Popover-panel's X offset. */
    xOffset: number;
    /** Popover-panel's Y offset. */
    yOffset: number;
    /** Popover-arrow's width. */
    arrowWidth: number;
    /** Popover-arrow's height. */
    arrowHeight: number;
    /** Popover-arrow's X offset. */
    arrowOffsetX: number;
    /** Popover-arrow's Y offset. */
    arrowOffsetY: number;
    /** Whether the popover arrow should be hidden. */
    hideArrow: boolean;
    /** Whether popover can be closed when click the popover-panel. */
    closeOnPanelClick: boolean;
    /** Whether popover can be closed when click the backdrop. */
    closeOnBackdropClick: boolean;
    /** Whether enable focus trap using `cdkTrapFocus`. */
    focusTrapEnabled: boolean;
    /** Whether enable focus trap auto capture using `cdkTrapFocusAutoCapture`. */
    focusTrapAutoCaptureEnabled: boolean;
    /** Whether the popover has a backdrop. It will always be false if the trigger event is hover. */
    hasBackdrop: boolean | undefined;
    /**
     * This method takes classes set on the host mtx-popover element and applies them on the
     * popover template that displays in the overlay container. Otherwise, it's difficult
     * to style the containing popover from outside the component.
     * @param classes list of class names
     */
    set panelClass(classes: string);
    private _previousPanelClass?;
    /**
     * This method takes classes set on the host mtx-popover element and applies them on the
     * popover template that displays in the overlay container. Otherwise, it's difficult
     * to style the containing popover from outside the component.
     * @deprecated Use `panelClass` instead.
     * @breaking-change 8.0.0
     */
    get classList(): string;
    set classList(classes: string);
    /** Event emitted when the popover is closed. */
    closed: EventEmitter<PopoverCloseReason>;
    /** @docs-private */
    templateRef: TemplateRef<any>;
    /**
     * Popover content that will be rendered lazily.
     * @docs-private
     */
    lazyContent?: MtxPopoverContent;
    readonly panelId: string;
    constructor(_elementRef: ElementRef, _unusedNgZone: NgZone, _defaultOptions: MtxPopoverDefaultOptions);
    ngOnInit(): void;
    ngOnDestroy(): void;
    /** Handle a keyboard event from the popover, delegating to the appropriate action. */
    _handleKeydown(event: KeyboardEvent): void;
    /** Close popover on click if `closeOnPanelClick` is true. */
    _handleClick(): void;
    /** Disables close of popover when leaving trigger element and mouse over the popover. */
    _handleMouseOver(): void;
    /** Enables close of popover when mouse leaving popover element. */
    _handleMouseLeave(): void;
    /** Sets the current styles for the popover to allow for dynamically changing settings. */
    setCurrentStyles(pos?: MtxPopoverPosition): void;
    /**
     * It's necessary to set position-based classes to ensure the popover panel animation
     * folds out from the correct direction.
     */
    setPositionClasses(pos?: MtxPopoverPosition): void;
    /** Sets the popover-panel's elevation. */
    setElevation(): void;
    /** Starts the enter animation. */
    _startAnimation(): void;
    /** Resets the panel animation to its initial state. */
    _resetAnimation(): void;
    /** Callback that is invoked when the panel animation completes. */
    _onAnimationDone(event: AnimationEvent): void;
    _onAnimationStart(event: AnimationEvent): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<MtxPopover, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<MtxPopover, "mtx-popover", ["mtxPopover"], { "backdropClass": { "alias": "backdropClass"; "required": false; }; "ariaLabel": { "alias": "aria-label"; "required": false; }; "ariaLabelledby": { "alias": "aria-labelledby"; "required": false; }; "ariaDescribedby": { "alias": "aria-describedby"; "required": false; }; "triggerEvent": { "alias": "triggerEvent"; "required": false; }; "enterDelay": { "alias": "enterDelay"; "required": false; }; "leaveDelay": { "alias": "leaveDelay"; "required": false; }; "position": { "alias": "position"; "required": false; }; "xOffset": { "alias": "xOffset"; "required": false; }; "yOffset": { "alias": "yOffset"; "required": false; }; "arrowWidth": { "alias": "arrowWidth"; "required": false; }; "arrowHeight": { "alias": "arrowHeight"; "required": false; }; "arrowOffsetX": { "alias": "arrowOffsetX"; "required": false; }; "arrowOffsetY": { "alias": "arrowOffsetY"; "required": false; }; "hideArrow": { "alias": "hideArrow"; "required": false; }; "closeOnPanelClick": { "alias": "closeOnPanelClick"; "required": false; }; "closeOnBackdropClick": { "alias": "closeOnBackdropClick"; "required": false; }; "focusTrapEnabled": { "alias": "focusTrapEnabled"; "required": false; }; "focusTrapAutoCaptureEnabled": { "alias": "focusTrapAutoCaptureEnabled"; "required": false; }; "hasBackdrop": { "alias": "hasBackdrop"; "required": false; }; "panelClass": { "alias": "class"; "required": false; }; "classList": { "alias": "classList"; "required": false; }; }, { "closed": "closed"; }, ["lazyContent"], ["*"], true, never>;
    static ngAcceptInputType_hideArrow: unknown;
    static ngAcceptInputType_closeOnPanelClick: unknown;
    static ngAcceptInputType_closeOnBackdropClick: unknown;
    static ngAcceptInputType_focusTrapEnabled: unknown;
    static ngAcceptInputType_focusTrapAutoCaptureEnabled: unknown;
    static ngAcceptInputType_hasBackdrop: unknown;
}