perform cleaning when update is installed . concode_field_sep WorkerEvent resultEvent concode_elem_sep PluginFilesStructure currentReleaseFS concode_elem_sep ApplicationConfig newAppConfig concode_elem_sep PluginFilesStructure newReleaseFS concode_elem_sep ManifestDiff manifestDiff concode_field_sep WorkerEvent result concode_elem_sep boolean init concode_elem_sep boolean copyFilesFromCurrentReleaseToNewRelease concode_elem_sep boolean isUpdateValid concode_elem_sep void deleteUnusedFiles concode_elem_sep void run concode_elem_sep void setResultForError concode_elem_sep boolean moveFilesFromInstallationFolderToWwwFodler concode_elem_sep void cleanUpOnFailure concode_elem_sep void setSuccessResult
void function ( ) { FilesUtility . delete ( newReleaseFS . getDownloadFolder ( ) ) ; }