export declare class ValueWithTimestamp { 'sourceId'?: string; 'sourceType': string; 'sourceLabel'?: string; 'updatedByUserId'?: number; 'value': string; 'timestamp': Date; static readonly discriminator: string | undefined; static readonly mapping: { [index: string]: string; } | undefined; static readonly attributeTypeMap: Array<{ name: string; baseName: string; type: string; format: string; }>; static getAttributeTypeMap(): { name: string; baseName: string; type: string; format: string; }[]; constructor(); }