protected void visitClass(@Nonnull DirectoryPathNode packagePath, @Nonnull ClassInfo classInfo) {
		ClassPathNode classPath = packagePath.child(classInfo);
		WorkspaceTreeNode.getOrInsertIntoTree(this, classPath, true);
	}
Adds the given class to the tree.

@param packagePath
		Path of the class's containing package.
@param classInfo
		Class to insert into the tree.
recaf-ui/src/main/java/software/coley/recaf/ui/control/tree/WorkspaceRootTreeNode.java