private TreePath findTreePath(GroupPath groupPath) {

		for (ProgramNode node : nodeList) {
			GroupPath p = node.getGroupPath();
			if (p.equals(groupPath)) {
				return node.getTreePath();
			}
		}
		return null;
	}
Given a GroupPath, find its corresponding TreePath object.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/programtree/ProgramDnDTree.java