/**
 * @since 2.4
 */
protected ResourceSet getResourceSet(IResourceDescriptions context) {
	if (context instanceof ResourceSetBasedResourceDescriptions) 
			return ((ResourceSetBasedResourceDescriptions) context).getResourceSet();
        else if (context instanceof EagerResourceSetBasedResourceDescriptions) 
			return ((EagerResourceSetBasedResourceDescriptions) context).getResourceSet();
		String contextType = context == null ? "null" : context.getClass().getName();
		throw new IllegalStateException("Passed " + contextType + " is not based on a resource set");
	}

	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
	public Class<? extends org.eclipse.xtext.resource.IContainer.Manager> bindIContainer$Manager() {
		return org.eclipse.xtext.resource.containers.StateBasedContainerManager.class;
	}

	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
	public Class<? extends org.eclipse.xtext.resource.containers.IAllContainersState.Provider> bindIAllContainersState$Provider() {
		return org.eclipse.xtext.resource.containers.ResourceSetBasedAllContainersStateProvider.class;
	}

	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
	public void configureIResourceDescriptions(com.google.inject.Binder binder) {
		binder.bind(org.eclipse.xtext.resource.IResourceDescriptions.class).to(org.eclipse.xtext.resource.impl.ResourceSetBasedResourceDescriptions.class);