question: only output the specified fields . concode_field_sep Fields fields concode_elem_sep String DEFAULT_RECORD_DELIMITER concode_elem_sep String recordDelimiter concode_elem_sep String DEFAULT_FIELD_DELIMITER concode_elem_sep String fieldDelimiter concode_field_sep DelimitedRecordFormat withFieldDelimiter concode_elem_sep byte[] format concode_elem_sep DelimitedRecordFormat withRecordDelimiter
target: DelimitedRecordFormat function ( Fields arg0 ) { this . fields = arg0 ; return this ; }