elk-reasoner/src/main/java/org/semanticweb/elk/reasoner/taxonomy/impl/IndividualNode.java
@Override
	public synchronized void addDirectTypeNode(final UTN typeNode) {
		LOGGER_.trace("{}: new direct type-node {}", this, typeNode);

		directTypeNodes_.add(typeNode);
	}
@Override
	public synchronized void addDirectTypeNode(final UTN typeNode) {
		LOGGER_.trace("{}: new direct type-node {}", this, typeNode);

		directTypeNodes_.add(typeNode);
	}
Add a direct super-class node. This method is not thread safe.

@param typeNode
node to add