question: get the contentlength value . concode_field_sep String ocpBatchFileMode concode_elem_sep String clientRequestId concode_elem_sep String requestId concode_elem_sep DateTimeRfc1123 ocpCreationTime concode_elem_sep String eTag concode_elem_sep Long contentLength concode_elem_sep DateTimeRfc1123 lastModified concode_elem_sep Boolean ocpBatchFileIsdirectory concode_elem_sep String ocpBatchFileUrl concode_elem_sep String contentType concode_field_sep FileGetFromTaskHeaders withOcpBatchFileIsdirectory concode_elem_sep String clientRequestId concode_elem_sep DateTime ocpCreationTime concode_elem_sep FileGetFromTaskHeaders withOcpCreationTime concode_elem_sep FileGetFromTaskHeaders withOcpBatchFileMode concode_elem_sep FileGetFromTaskHeaders withClientRequestId concode_elem_sep Boolean ocpBatchFileIsdirectory concode_elem_sep FileGetFromTaskHeaders withContentLength concode_elem_sep FileGetFromTaskHeaders withRequestId concode_elem_sep FileGetFromTaskHeaders withOcpBatchFileUrl concode_elem_sep String ocpBatchFileMode concode_elem_sep FileGetFromTaskHeaders withLastModified concode_elem_sep FileGetFromTaskHeaders withContentType concode_elem_sep String requestId concode_elem_sep String eTag concode_elem_sep DateTime lastModified concode_elem_sep String ocpBatchFileUrl concode_elem_sep FileGetFromTaskHeaders withETag concode_elem_sep String contentType
target: Long function ( ) { return this . contentLength ; }