fParticipantList.setElements(Arrays.asList(Platform.getPluginRegistry().getConfigurationElementsFor(JavaSearchPage.PARTICIPANT_EXTENSION_POINT)));
fParticipantList.setElements(Arrays.asList(Platform.getExtensionRegistry().getConfigurationElementsFor(JavaSearchPage.PARTICIPANT_EXTENSION_POINT)));
	private void initialize(Map activeParticipants) {		fParticipantList.setElements(Arrays.asList(Platform.getPluginRegistry().getConfigurationElementsFor(JavaSearchPage.PARTICIPANT_EXTENSION_POINT)));		fParticipantList.setCheckedElements(activeParticipants.values());	}