question: returns total size of files in the snapshot concode_field_sep String START_TIME_IN_MILLIS concode_elem_sep String PROCESSED_SIZE_IN_BYTES concode_elem_sep String TIME_IN_MILLIS concode_elem_sep String TOTAL_SIZE concode_elem_sep String STATS concode_elem_sep int numberOfFiles concode_elem_sep String NUMBER_OF_FILES concode_elem_sep String TOTAL_SIZE_IN_BYTES concode_elem_sep long totalSize concode_elem_sep int processedFiles concode_elem_sep String PROCESSED_SIZE concode_elem_sep String TIME concode_elem_sep long startTime concode_elem_sep long time concode_elem_sep long processedSize concode_elem_sep String PROCESSED_FILES concode_field_sep void add concode_elem_sep void writeTo concode_elem_sep SnapshotStats readSnapshotStats concode_elem_sep void readFrom concode_elem_sep long getTime concode_elem_sep XContentBuilder toXContent concode_elem_sep int getNumberOfFiles concode_elem_sep int getProcessedFiles concode_elem_sep long getStartTime concode_elem_sep long getProcessedSize
target: long function ( ) { return totalSize ; }