@Override
	public void removeDefaultWorkspaceModificationListeners(@Nonnull WorkspaceModificationListener listener) {
		defaultModificationListeners.remove(listener);

		addDefaultWorkspaceModificationListeners(new WorkspaceModificationListener() {
			@Override
			public void onAddLibrary(@Nonnull Workspace workspace, @Nonnull WorkspaceResource library) {
				// Supporting library added to workspace
			}

			@Override
			public void onRemoveLibrary(@Nonnull Workspace workspace, @Nonnull WorkspaceResource library) {
				// Supporting library removed from workspace
			}
		});
	}
Basic workspace manager implementation.

@author Matt Coley
recaf-core/src/main/java/software/coley/recaf/services/workspace/BasicWorkspaceManager.java