import { ChangeDetectorRef } from '@angular/core';
import { FormControl, FormGroup } from '@angular/forms';
import { AppService } from '../../services/app.service';
import { ChatService } from '../../services/chat.service';
import * as i0 from "@angular/core";
export declare class SimpleChatComponent {
    appService: AppService;
    chatService: ChatService;
    cdr: ChangeDetectorRef;
    $currentChat: import("@angular/core").WritableSignal<{
        sender: string;
        message: string;
    }[]>;
    form: FormGroup<{
        username: FormControl<string | null>;
        message: FormControl<string | null>;
    }>;
    constructor();
    onFormSubmit(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SimpleChatComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<SimpleChatComponent, "simple-chat", never, {}, {}, never, never, true, never>;
}