public Component getFilterField() {
		JComponent filterComponent = filterProvider.getFilterComponent();
		if (filterComponent != null) {
			Component[] components = filterComponent.getComponents();
			for (Component component : components) {
				if (component instanceof FilterTextField) {
					return component;
				}
			}
			return filterComponent;
		}
		return tree;
	}
Returns the filter text field in this tree.

@return the filter text field in this tree.
Ghidra/Framework/Docking/src/main/java/docking/widgets/tree/GTree.java