question: close this writer , which flushes and closes any currently-open streams . even after this is called , additional documents can be written to additional files . concode_field_sep String DOCUMENTS_EXTENSION concode_elem_sep InputStream stream concode_elem_sep DocumentSequence documents concode_elem_sep File parentDirectory concode_elem_sep File currentFile concode_elem_sep long fileCount concode_elem_sep String filenamePrefix concode_elem_sep String GZIP_EXTENSION concode_elem_sep Problems problems concode_field_sep Document read concode_elem_sep InputStream openNextFile
target: void function ( ) { close ( stream ) ; }