BUG-2: Blackboard::set() existing-entry path takes a raw reference to the Entry, then unlocks storage_mutex_. If another thread calls unset() on the s

Test default constructor

BUG-7: If a <SubTree> element inside <TreeNodesModel> is missing the "ID" attribute, Attribute("ID") returns nullptr, which is used as a key in std::u

Test that getInput works for a custom type defined only in the plugin

Safely cast to a Comment, or null.

Safely cast to a Declaration, or null.

Safely cast to an Element, or null.

add this just in case, if it is necessary to register it with Groot2 publisher. You will need to add `RegisterJsonDefinition<Vector4D>(ToJson);` in yo

Safe cast to XMLNode. This can return null.

Safely cast to Text, or null.

Safely cast to an Unknown, or null.

Query as an unsigned integer. See IntValue()