import { AfterViewInit, EventEmitter, OnDestroy, OnInit, QueryList } from '@angular/core';
import { SplitAreaDirective } from 'angular-split';
import * as i0 from "@angular/core";
export declare class SplitterAccessibilityDirective implements OnInit, AfterViewInit, OnDestroy {
    private readonly _elementRef;
    private readonly _renderer;
    private readonly _splitter;
    private readonly _focusIndicatorService;
    private readonly _platform;
    /** Emit an event whenever the gutter is moved using the keyboard */
    gutterKeydown: EventEmitter<KeyboardEvent>;
    /** Find all the split areas */
    areas: QueryList<SplitAreaDirective>;
    /** Store all the gutter elements */
    private _gutters;
    /** Watch for gutters being added or removed */
    private _observer;
    /** Teardown our observables on destroy */
    private readonly _onDestroy;
    /** Store references to all focus indicators */
    private _focusIndicators;
    ngOnInit(): void;
    /** Once initialised make the gutters accessible */
    ngAfterViewInit(): void;
    /** Destroy all observables and observers */
    ngOnDestroy(): void;
    /** We should focus the gutter when it is clicked */
    onClick(event: MouseEvent): void;
    /** Find all the gutters and set their attributes */
    private onGutterChange;
    /** Get all the gutter elements */
    private getGutters;
    /** Set the appropriate attributes on the gutter elements */
    private setGutterAttributes;
    /** Apply the aria attribute values */
    private updateGutterAttributes;
    /** Apply the value now aria attribute */
    private setGutterValueNow;
    /** Apply the value min aria attribute */
    private setGutterValueMin;
    /** Apply the value max aria attribute */
    private setGutterValueMax;
    onKeydown(event: KeyboardEvent): void;
    onIncreaseKey(event: KeyboardEvent): void;
    onDecreaseKey(event: KeyboardEvent): void;
    onHomeKey(event: KeyboardEvent): void;
    onEndKey(event: KeyboardEvent): void;
    /** Determine if an element is a gutter */
    private isSplitterGutter;
    /** Update the gutter position */
    private setGutterPosition;
    /** Get the split areas associated with a given gutter */
    private getAreasFromGutter;
    static ɵfac: i0.ɵɵFactoryDeclaration<SplitterAccessibilityDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<SplitterAccessibilityDirective, "as-split", never, {}, { "gutterKeydown": "gutterKeydown"; }, ["areas"], never, false, never>;
}