// Map to: task(<name-value-pairs>, '<identifier>', <arg>?)
                    transformVariableExpression(call, 1);
                } else if (args.getExpression(0) instanceof VariableExpression) {
                    // Matches: task <identifier>, <arg>?
                    transformVariableExpression(call, 0);
                }
                return;
            }

        if (exp == null) {
            return null;
        }
        Expression ret = null;
        if (exp instanceof VariableExpression) {
            ret = transformVariableExpression((VariableExpression) exp);
        } else if (exp.getClass() == PropertyExpression.class) {
            ret = transformPropertyExpression((PropertyExpression) exp);