@Override
	public ArchiveNode getArchiveNode() {
		GTreeNode parent = getParent();
		if (parent == null) {
			return null; // could happen during tree mutations
		}

		return ((DataTypeTreeNode) parent).getArchiveNode();
	}
Returns true if this dataType node uses and editor that is different than Java's default
editor.

@return true if this dataType node has a custom editor.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/datamgr/tree/DataTypeNode.java