@Override
				public void setSelected(boolean newValue) {
					super.setSelected(newValue);

					if (isSelected()) {
						setLocation(plugin.getCurrentLocation());
					}
				}
A variable used to restrict open-ended operations, like expanding all nodes or filtering.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/calltree/CallTreeProvider.java