Standard Output
2023-09-06 14:05:40,958 TRACE [main] org.appng.el.ExpressionEvaluator: setting variable 'a' of type 'java.lang.Integer' to value '5'
2023-09-06 14:05:40,959 TRACE [main] org.appng.el.ExpressionEvaluator: setting variable 'b' of type 'java.lang.Integer' to value '6'
2023-09-06 14:05:40,959 DEBUG [main] org.appng.el.ExpressionEvaluator: ${numbers[0] == 1} = true [(a = 5), (b = 6), (numbers = [I@5b8dfcc1), (SESSION = {foo=5, fizz=TRUE})]
2023-09-06 14:05:40,960 DEBUG [main] org.appng.el.ExpressionEvaluator: ${numbers[0] + numbers[3]} = 5 [(a = 5), (b = 6), (numbers = [I@5b8dfcc1), (SESSION = {foo=5, fizz=TRUE})]