question: for a given file system , setup directories ready to test the plugin storage . concode_field_sep PlaceHolder placeHolder concode_field_sep ObjectMapper createObjectMapper concode_elem_sep YarnConfiguration prepareConfiguration concode_elem_sep void writeEntities concode_elem_sep TimelineDataManager getTdmWithStore concode_elem_sep TimelineEvent createEvent concode_elem_sep FSDataOutputStream createLogFile concode_elem_sep void verifyTestEntities concode_elem_sep TimelineDataManager getTdmWithMemStore concode_elem_sep TimelineEntity createEntity concode_elem_sep TimelineEntities generateTestEntities
target: FileSystem function ( FileSystem arg0 ) { Path loc0 = new Path ( YarnConfiguration . TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_ACTIVE_DIR_DEFAULT ) ; Path loc1 = new Path ( YarnConfiguration . TIMELINE_SERVICE_ENTITYGROUP_FS_STORE_DONE_DIR_DEFAULT ) ; arg0 . mkdirs ( loc0 ) ; arg0 . mkdirs ( loc1 ) ; return arg0 ; }