import { Observable } from "rxjs";
import * as i0 from "@angular/core";
export declare abstract class StepWrapperAbstract {
    private canGoNextSubject;
    canGoNext: Observable<boolean | undefined>;
    abstract saveStepData(): any;
    setCanGoNext(canGoNext: boolean | undefined): void;
    isDirty(): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<StepWrapperAbstract, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<StepWrapperAbstract, "ng-component", never, {}, {}, never, never, false>;
}