literals.expression(codeModel.decimal("1.1"));
literals.expression(codeModel.string("a"));
primaryExpressions.expression(codeModel.array());
primaryExpressions.expression(codeModel.array().append(x, y));
primaryExpressions.expression(codeModel.array().append(
codeModel.integer(0), codeModel.string("a")));
primaryExpressions.expression(codeModel.object());
primaryExpressions.expression(codeModel.object().append("zero", x)
.append(codeModel.integer(1), x)
.append(codeModel.string("two"), x));