export declare class SupermodelIoLogisticsExpressDocumentImageResponseDocumentsInner {
    'shipmentTrackingNumber': string;
    'typeCode': string;
    '_function'?: SupermodelIoLogisticsExpressDocumentImageResponseDocumentsInnerFunctionEnum;
    'encodingFormat': string;
    'content': string;
    static readonly discriminator: 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();
}
export declare type SupermodelIoLogisticsExpressDocumentImageResponseDocumentsInnerFunctionEnum = "import" | "export" | "both";