private void checkIfAlreadyAdded(ComponentProvider provider) {
		if (containsProvider(provider)) {
			throw new AssertException(
				"ComponentProvider " + provider.getName() + " was already added.");
		}
	}
Adds a new component (via the provider) to be managed by this docking window manager. The
component will be initially shown or hidden based on the "show" parameter.

@param provider the component provider.
@param show indicates whether or not the component should be initially shown.
Ghidra/Framework/Docking/src/main/java/docking/DockingWindowManager.java