question: returns the muc service instance . concode_field_sep GlobalDisplayDetailsService globalDisplayDetailsService concode_elem_sep String DISABLED_PROPERTY concode_elem_sep ChatRoomContactSourceService chatRoomContactSource concode_elem_sep MUCServiceImpl mucService concode_elem_sep BundleContext bundleContext concode_elem_sep ConfigurationService configService concode_elem_sep ResourceManagementService resources concode_elem_sep AccountManager accountManager concode_elem_sep AlertUIService alertUIService concode_elem_sep CredentialsStorageService credentialsService concode_elem_sep UIService uiService concode_elem_sep MessageHistoryService messageHistoryService concode_elem_sep List<ProtocolProviderService> chatRoomProviders concode_elem_sep MUCCustomContactActionService mucCustomActionService concode_elem_sep ProtocolProviderRegListener protocolProviderRegListener concode_field_sep void handleProviderAdded concode_elem_sep void start concode_elem_sep ChatRoomContactSourceService getContactSource concode_elem_sep CredentialsStorageService getCredentialsStorageService concode_elem_sep UIService getUIService concode_elem_sep MessageHistoryService getMessageHistoryService concode_elem_sep void handleProviderRemoved concode_elem_sep AlertUIService getAlertUIService concode_elem_sep void stop concode_elem_sep ResourceManagementService getResources concode_elem_sep void serviceChanged concode_elem_sep GlobalDisplayDetailsService getGlobalDisplayDetailsService concode_elem_sep AccountManager getAccountManager concode_elem_sep ConfigurationService getConfigurationService concode_elem_sep List<ProtocolProviderService> getChatRoomProviders
target: MUCServiceImpl function ( ) { return mucService ; }