import { OnInit } from '@angular/core';
import { Observable } from 'rxjs';
import { MatDialogRef } from '@angular/material/dialog';
export declare type LoadingDialogComponentData = {
    message$?: Observable<string>;
};
export declare class LoadingDialogComponent implements OnInit {
    private dialogRef;
    private data?;
    message$: Observable<string>;
    constructor(dialogRef: MatDialogRef<LoadingDialogComponent>, data?: LoadingDialogComponentData);
    ngOnInit(): void;
    closeDialog(): Promise<void>;
}