import { MatDialog } from '@angular/material/dialog';
import { Observable } from 'rxjs';
import { RdsServerService } from './rds-server.service';
export declare class RdsEulaService {
    private dialog;
    private rdsServerService;
    static storageKey: string;
    constructor(dialog: MatDialog, rdsServerService: RdsServerService);
    /**
     * @returns Whether the user has signed/agreed to the EULA
     */
    hasUserSigned(): boolean;
    /**
     * Sign/agree to the EULA
     */
    sign(): void;
    /**
     * Unsign/disagree to the EULA
     */
    unsign(): void;
    /**
     * Show the disclaimer in a dialog if one exists.
     * @returns Whether the user has agreed to the EULA. If no EULA exists, return true.
     */
    show(): Observable<boolean>;
}