// same test as in ExpressionTransformer.checkForByteLiterals
if(ce.getPrimary() instanceof Tree.BaseTypeExpression
&& ce.getPositionalArgumentList() != null){
java.util.List<Tree.PositionalArgument> positionalArguments = ce.getPositionalArgumentList().getPositionalArguments();
if(positionalArguments.size() == 1){
PositionalArgument argument = positionalArguments.get(0);
if(argument instanceof Tree.ListedArgument
&& ((Tree.ListedArgument) argument).getExpression() != null){
Term term = ((Tree.ListedArgument)argument).getExpression().getTerm();
if(term instanceof Tree.NegativeOp){
term = ((Tree.NegativeOp) term).getTerm();