private String getTitleOfChildren() {
		List<ComponentPlaceholder> placeholders = new ArrayList<>();

		child.populateActiveComponents(placeholders);

		List<String> titles = generateTitles(placeholders);

		boolean firstItem = true;
		StringBuffer buf = new StringBuffer();
		for (String title : titles) {
			if (!firstItem) {
				buf.append(", ");
			}
			firstItem = false;
			buf.append(title);
		}
		return buf.toString();
	}
Returns the root pane if window has been created, otherwise null
@return the root pane if window has been created, otherwise null
Ghidra/Framework/Docking/src/main/java/docking/DetachedWindowNode.java