question: closes both underlying scans . concode_field_sep Scan s1 concode_elem_sep Scan s2 concode_field_sep boolean next concode_elem_sep int getInt concode_elem_sep Constant getVal concode_elem_sep void beforeFirst concode_elem_sep String getString concode_elem_sep boolean hasField
target: void function ( ) { s1 . close ( ) ; s2 . close ( ) ; }