import { CallNotificationResult } from "./CallNotificationResult";
import { NotificationResult } from "./NotificationResult";
export declare class DefaultNotificationResult implements NotificationResult {
    private notificationDisplayName?;
    private static VIDEO_OFFERED_FLAG;
    private static readonly PUSH_TIMEOUT_MS;
    private message?;
    private valid;
    constructor(payload?: string, notificationDisplayName?: string | undefined);
    isValid(): boolean;
    get displayName(): string | undefined;
    get callNotificationResult(): CallNotificationResult;
    private isFlagSet;
}