import { ApplicationRef, ComponentFactoryResolver, Injector } from '@angular/core';
import { Subject } from "rxjs";
import * as i0 from "@angular/core";
export declare type MessageActions = {
    [key: string]: () => void;
};
export declare enum MessageButtonsPresets {
    close = "close",
    ok = "ok"
}
export declare enum MessageTypes {
    info = "info",
    info_center = "info-center",
    info_close = "info-close",
    error = "error",
    error_close = "error-close",
    confirm = "confirm"
}
export interface Message {
    title?: string;
    text: string;
    type?: MessageTypes;
    actions?: MessageActions;
    actionTypes?: {
        [key: string]: string;
    };
    autoHideDelay?: number;
}
export declare class MessageService {
    private componentFactoryResolver;
    private appRef;
    private injector;
    isComponentInjected: boolean;
    static message$: Subject<Message | null>;
    messageButtonPresets: {
        [key: string]: MessageActions;
    };
    constructor(componentFactoryResolver: ComponentFactoryResolver, appRef: ApplicationRef, injector: Injector);
    protected preprocessText(text: string): string;
    confirm(text: string, title: string | null | undefined, callbackYes: () => void, callbackNo?: (() => void) | null, buttonTextYes?: string, buttonTextNo?: string): void;
    show(message: Message, buttonsPreset?: MessageButtonsPresets | null): void;
    error(text: string, title?: string, actions?: MessageActions, autoHideDelay?: number): void;
    info(text: string, title?: string, actions?: MessageActions, autoHideDelay?: number): void;
    hide(): void;
    private injectComponent;
    static ɵfac: i0.ɵɵFactoryDeclaration<MessageService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<MessageService>;
}