import { MatSnackBar } from "@angular/material/snack-bar";
import { MatDialog } from "@angular/material/dialog";
export declare class NewellAlert {
    private _snackBar;
    private _dialog;
    private PROMPTER_WIDTH;
    constructor(_snackBar: MatSnackBar, _dialog: MatDialog);
    toast(message: string, action?: string, config?: any): void;
    prompt(config: any): import("rxjs").Observable<any>;
}