Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 1234]

▼NBloombergLP
▼Nbmqa
CAbstractSession	A pure protocol for a session
CCloseQueueStatus
CConfigureQueueStatus
CConfirmEventBuilder	Mechanism to build a batch of CONFIRM messages
CEvent	A variant type encompassing all types of events
CManualHostHealthMonitor
CMessage	A message sent/received to/from the BlazingMQ broker
CMessageConfirmationCookie	Cookie for async message confirmation
CMessageEvent
CMessageEventBuilder	A builder for `MessageEvent` objects
CMessageIterator
CMessageProperties	Provide a VST representing message properties
CMessagePropertiesIterator
CMockSession	Mechanism to mock a `bmqa::Session`
▼CMockSessionUtil	Utility methods to create `bmqa` events
CAckParams	Struct representing parameters for an ack message
CPushMessageParams	Struct representing parameters for a push message
COpenQueueStatus
CQueueId	Value-semantic efficient identifier for a queue
CSession	A session with a BlazingMQ broker
CSessionEvent	An event related to the operation of a `Session`
CSessionEventHandler
▼Nbmqpi
CDTContext	A pure interface for a context with a notion of a current span
▼CDTSpan	A pure interface for representing a span of a distributed trace
CBaggage	A set of key-values used to describe a `DTSpan`
CDTTracer	A pure interface for creators of `DTSpan` objects
CHostHealthMonitor	A pure interface for monitoring the health of the host
▼Nbmqt
CAckResult	This enum represents the result code status of an ack message
CCloseQueueResult	This enum represents the result of a closeQueue operation
CCompressionAlgorithmType	This struct defines various types of compression algorithms
CConfigureQueueResult	This enum represents the result of a configureQueue operation
CCorrelationId
CCorrelationIdLess
CEncodingType	Enumeration for message encoding types
CEventBuilderResult
CGenericResult	This enum represents generic common status
CHostHealthState	Enumeration for host health states
CMessageEventType	Enumeration for the types of message events
CMessageGUID
CMessageGUIDHashAlgo
CMessageGUIDLess	This struct provides a binary function for comparing 2 GUIDs
COpenQueueResult	This enum represents the result of an openQueue operation
CPostResult	This enum represents the result code status of a post message
CPropertyType	This enum represents the supported data types for a message property
CQueueFlags	This enum represents queue flags
CQueueFlagsUtil
CQueueOptions	Value-semantic type for options related to a queue
CSessionEventType	Enumeration for the types of session events
CSessionOptions
CSubscription	Value-semantic type to carry Subscription parameters
CSubscriptionExpression	Value-semantic type to carry Subscription criteria
CSubscriptionHandle	Value-semantic type for unique Subscription id
CUri	Value semantic type representing a URI
CUriBuilder
CUriParser	Utility namespace of methods for parsing URI strings into `Uri` objects
CVersion	A version consisting of a major and minor version number