import { OnDestroy } from '@angular/core';
import * as i0 from "@angular/core";
export declare class KeyStateService implements OnDestroy {
    private _isCtrlOrCmdPressed;
    private _destroy$;
    constructor();
    getCtrlOrCmdState(): boolean;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<KeyStateService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<KeyStateService>;
}
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