export declare const CheckPropertyExists: (obj: any, propkey: any) => any;
/**
 * Returns extention data object or null if extention data not found.
 * @param {object} message - message Object from SDK
 * @param {string} extentionKey extention tobe searched
 * @returns object or null.
 */
export declare const getExtentionData: (message: any, extentionKey: any) => any;
/**
 * Returns extention data object or null if extention data not found.
 * @param {object} message - message Object from SDK
 * @param {string} extentionKey extention tobe searched
 * @returns object or null.
 */
export declare const getExtentionDataByMetaData: (metadata: any, extentionKey: any) => any;
export declare const getMetadataByKey: (message: any, metadataKey: any) => any;