JSBlock unaryExpressions = multiplicativeExpressions.block();
unaryExpressions.expression(x.delete());
unaryExpressions.expression(x._void());
unaryExpressions.expression(x.typeof());
unaryExpressions.expression(x.preIncr());
unaryExpressions.expression(x.preDecr());
unaryExpressions.expression(x.positive());
unaryExpressions.expression(x.negative());
unaryExpressions.expression(x.complement());
unaryExpressions.expression(x.not());