import { ParsedModel } from '../model/parsed-model';
import { TurmsNotification_Data } from '../model/proto/notification/turms_notification';
export default class NotificationUtil {
    static transform(data?: object | number | string, parentKey?: string): any;
    static transformDate(date?: string): Date | undefined;
    static transformOrEmpty(data: any[]): any[];
    static transformMapValToDate(record?: Record<string, string>): Record<string, Date> | undefined;
    static getLongOrThrow(data?: TurmsNotification_Data): string;
    static getLongsWithVersion(data?: TurmsNotification_Data): ParsedModel.LongsWithVersion | undefined;
    static toMap(array: string[]): Record<string, string>;
}
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