import { Injector, OnDestroy, PipeTransform } from '@angular/core';
import { Nullable } from '@bimeister/utilities';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class ConditionAsyncPipe<T = unknown> implements PipeTransform, OnDestroy {
    private readonly injector;
    private readonly asyncPipe;
    constructor(injector: Injector);
    ngOnDestroy(): void;
    transform(booleanValue$: Observable<boolean>, trueArgument: T, falseArgument: T): Nullable<T>;
    static ɵfac: i0.ɵɵFactoryDeclaration<ConditionAsyncPipe<any>, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<ConditionAsyncPipe<any>, "conditionAsync", false>;
}