import { ElementRef, OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
import { ColourService } from '../services/colour.service';
import * as i0 from "@angular/core";
export declare class BackgroundColorDirective implements OnInit, OnChanges, OnDestroy {
    private el;
    private colorService;
    libBackgroundColour: string;
    private colorSubscription;
    private currentColor;
    constructor(el: ElementRef, colorService: ColourService);
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    private applyColor;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<BackgroundColorDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<BackgroundColorDirective, "[libBackgroundColour]", never, { "libBackgroundColour": "libBackgroundColour"; }, {}, never>;
}