export declare class MetaData { 'senderId'?: string; 'submitterId'?: string; 'billerId'?: string; 'applicationMode'?: string; 'traceId'?: string; 'outboundTraceId'?: string; 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(); }