question: equals to resultset.isbeforefirst . concode_field_sep PlaceHolder placeHolder concode_field_sep boolean next concode_elem_sep boolean previous concode_elem_sep boolean last concode_elem_sep boolean isLast concode_elem_sep boolean isExpressionsFromThisRowSource concode_elem_sep void setRowPosition concode_elem_sep void beforeFirst concode_elem_sep void nullRow concode_elem_sep int getRow concode_elem_sep boolean hasAlias concode_elem_sep void execute concode_elem_sep void afterLast concode_elem_sep long getRowPosition concode_elem_sep boolean rowDeleted concode_elem_sep boolean isFirst concode_elem_sep boolean isAfterLast concode_elem_sep boolean isScrollable concode_elem_sep boolean absolute concode_elem_sep boolean rowInserted concode_elem_sep void noRow concode_elem_sep void setAlias concode_elem_sep boolean first concode_elem_sep boolean relative
target: boolean function ( ) { throw SmallSQLException . create ( Language . RSET_FWDONLY ) ; }