org.apache.activemq
Interfaces 
ActiveMQDispatcher
ActiveMQSession.DeliveryListener
Closeable
Disposable
LocalTransactionEventListener
MessageAvailableConsumer
MessageAvailableListener
Service
StreamConnection
ThreadPriorities
Classes 
ActiveMQConnection
ActiveMQConnectionConsumer
ActiveMQConnectionFactory
ActiveMQConnectionMetaData
ActiveMQInputStream
ActiveMQMessageConsumer
ActiveMQMessageProducer
ActiveMQMessageTransformation
ActiveMQOutputStream
ActiveMQPrefetchPolicy
ActiveMQQueueBrowser
ActiveMQQueueReceiver
ActiveMQQueueSender
ActiveMQQueueSession
ActiveMQSession
ActiveMQSessionExecutor
ActiveMQSslConnectionFactory
ActiveMQTopicPublisher
ActiveMQTopicSession
ActiveMQTopicSubscriber
ActiveMQXAConnection
ActiveMQXAConnectionFactory
ActiveMQXASession
AdvisoryConsumer
MessageDispatchChannel
RedeliveryPolicy
TransactionContext
Exceptions 
AlreadyClosedException
ConfigurationException
ConnectionClosedException
ConnectionFailedException
NotStartedException