if (!normalized(left.keySet()).contains(normalized(rightKey))) {
                return false;
            } else {
                for (String leftKey : left.keySet()) {
                    if (normalized(leftKey).equals(normalized(rightKey)) && !left.get(leftKey).equals(right.get(rightKey))) {
                        return false;
                    }
                }
            }
        }
        return true;

    }

    def "apply() works"() {
        def signal = new RuntimeException()

        when:
        left.apply({ throw signal }, { assert false })
        then:
        def leftEx = thrown RuntimeException
        leftEx == signal

        when:
        right.apply({ assert false }, { throw signal })
        then:
        def rightEx = thrown RuntimeException
        rightEx == signal
    }