IPluginRegistry registry= Platform.getPluginRegistry();
IExtensionRegistry registry= Platform.getExtensionRegistry();
	public static JavaEditorTextHoverDescriptor[] getContributedHovers() {		IPluginRegistry registry= Platform.getPluginRegistry();		IConfigurationElement[] elements= registry.getConfigurationElementsFor(JAVA_EDITOR_TEXT_HOVER_EXTENSION_POINT);		JavaEditorTextHoverDescriptor[] hoverDescs= createDescriptors(elements);		initializeFromPreferences(hoverDescs);		return hoverDescs;	} 