gets the expiry date of this cache entry , expressed as a string . concode_field_sep long expires concode_elem_sep String contentdisposition concode_elem_sep InputStream inStream concode_elem_sep String mimeType concode_elem_sep String encoding concode_elem_sep OutputStream outStream concode_elem_sep File outFile concode_elem_sep String localPath concode_elem_sep long contentLength concode_elem_sep String etag concode_elem_sep String location concode_elem_sep String crossDomain concode_elem_sep String lastModified concode_elem_sep String expiresString concode_elem_sep int httpStatusCode concode_field_sep String getLocation concode_elem_sep String getLastModified concode_elem_sep String getMimeType concode_elem_sep void setEncoding concode_elem_sep boolean startCacheTransaction concode_elem_sep boolean endCacheTransaction concode_elem_sep void setContentLength concode_elem_sep File getCacheFileBaseDir concode_elem_sep long getContentLength concode_elem_sep int getHttpStatusCode concode_elem_sep InputStream getInputStream concode_elem_sep String getLocalPath concode_elem_sep CacheResult getCacheFile concode_elem_sep String getEncoding concode_elem_sep String getETag concode_elem_sep void setInputStream concode_elem_sep String getContentDisposition concode_elem_sep OutputStream getOutputStream concode_elem_sep boolean cacheDisabled concode_elem_sep long getExpires concode_elem_sep void saveCacheFile concode_elem_sep void saveCacheFile
String function ( ) { return expiresString ; }