MicroTransactionsMatterToo

> I don't understand the feature well enough to give you proper design feedback, but generally speaking we should avoid new classes. If this member is only meaningful for some...

> Given my earlier comment about only adding support for parsing these definitions, why do you need to add anything to the property definitions at all? I had figured that...

> Yes, exactly. The idea is to end up with once class `PropertyDefinition` that roughly looks like this: > > ``` > template > struct PropertyValueT { > T value;...

> I haven't looked at it too closely, but I don't understand the design choices that I saw. Now, `PropertyDefinition` can have a type that's either a `PropertyDefinitionType` or an...