import { AnyConstructor, NgtInstance, NumberInput } from '@angular-three/core';
import { BlendFunction, Effect } from 'postprocessing';
import { NgtEffectComposer } from './effect-composer';
import * as i0 from "@angular/core";
export declare const injectCommonEffectRef: (options?: import("@angular/core").InjectOptions | undefined) => import("@angular-three/core").AnyFunction<import("@angular-three/core").Ref<any>>, provideCommonEffectRef: <TProvideCtor extends import("@angular-three/core").AnyCtor<any> = import("@angular-three/core").AnyCtor<any>>(sub: TProvideCtor, factory?: ((instance: InstanceType<TProvideCtor>) => import("@angular-three/core").Ref<any>) | undefined) => import("@angular/core").Provider, NGT_COMMON_EFFECT_REF: import("@angular/core").InjectionToken<import("@angular-three/core").AnyFunction<import("@angular-three/core").Ref<any>>>;
export declare abstract class NgtCommonEffect<TEffect extends Effect = Effect> extends NgtInstance<TEffect> {
    set opacity(opacity: NumberInput);
    set blendFunction(blendFunction: BlendFunction);
    abstract get effectType(): AnyConstructor<TEffect>;
    protected get defaultBlendMode(): BlendFunction;
    protected readonly effectOptions$: import("rxjs").Observable<{}>;
    protected effectComposer: NgtEffectComposer;
    constructor();
    protected preInit(): void;
    protected get effectOptionsFields(): Record<string, boolean>;
    ngOnInit(): void;
    /**
     * Sub-classes can choose to skip default effect options effect
     */
    protected get skipConfigureBlendMode(): boolean;
    private readonly configureBlendMode;
    private readonly init;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgtCommonEffect<any>, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NgtCommonEffect<any>, never, never, { "opacity": "opacity"; "blendFunction": "blendFunction"; }, {}, never, never, false>;
}
export declare const provideNgtCommonEffect: (sub: import("@angular-three/core").AnyCtor<any>) => any[];