// case ASTNode.CAST_EXPRESSION:
// return "Cast expression";
// case ASTNode.CATCH_CLAUSE:
// return "Catch clause";
case ASTNode.CHARACTER_LITERAL:
CharacterLiteral characterLiteral = (CharacterLiteral) node;
return characterLiteral.charValue();
// case ASTNode.CLASS_INSTANCE_CREATION:
// return "Class instance creation";
// case ASTNode.COMPILATION_UNIT:
// return "Compilation unit";
// case ASTNode.CONDITIONAL_EXPRESSION: