import { type Type } from '@angular/core';
import { TuiPortal } from '@taiga-ui/cdk/portals';
import { PolymorpheusComponent } from '@taiga-ui/polymorpheus';
import { TuiModalComponent } from './modal.component';
import * as i0 from "@angular/core";
export declare abstract class TuiModalService<T, K = void> extends TuiPortal<T, K> {
    protected abstract readonly content: Type<unknown>;
    protected readonly component: typeof TuiModalComponent;
    constructor();
    protected add(component: PolymorpheusComponent<TuiModalComponent<T>>): () => void;
    static ɵfac: i0.ɵɵFactoryDeclaration<TuiModalService<any, any>, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<TuiModalService<any, any>>;
}