| annotation_key | A key for use with AMQP annotation maps |
| binary | Arbitrary binary data |
| byte_array< N > | Arbitrary fixed-size data |
| connection | A connection to a remote AMQP peer |
| connection_driver | **Unsettled API** - An AMQP driver for a single connection |
| connection_options | Options for creating a connection |
| const_buffer | **Unsettled API** - A pointer to an immutable memory region with a size |
| container | A top-level container of connections, sessions, and links |
| conversion_error | An error converting between AMQP and C++ data |
| decimal128 | A 128-bit decimal floating-point value |
| decimal32 | A 32-bit decimal floating-point value |
| decimal64 | A 64-bit decimal floating-point value |
| decoder | **Unsettled API** - A stream-like decoder from AMQP bytes to C++ values |
| delivery | A received message |
| delivery_mode | The message delivery policy to establish when opening a link |
| duration | A span of time in milliseconds |
| encoder | **Unsettled API** - A stream-like encoder from C++ values to AMQP bytes |
| endpoint | The base class for session, connection, and link |
| error | The base Proton error |
| error_condition | Describes an endpoint error state |
| finish | **Unsettled API** - Finish inserting or extracting a complex type |
| link | A named channel for sending or receiving messages |
| listen_handler | **Unsettled API** - A handler for incoming connections |
| listener | A listener for incoming connections |
| map< K, T > | A collection of key-value pairs |
| message | An AMQP message |
| message_id | An AMQP message ID |
| messaging_handler | A handler for Proton messaging events |
| mutable_buffer | **Unsettled API** - A pointer to a mutable memory region with a size |
| null | The type of the AMQP null value |
| receiver | A channel for receiving messages |
| receiver_options | Options for creating a receiver |
| reconnect_options | **Unsettled API** - Options for reconnect and failover after connection loss |
| returned< T > | A return type for container methods |
| sasl | SASL information |
| scalar | A holder for an instance of any scalar AMQP type |
| scalar_base | The base class for scalar types |
| sender | A channel for sending messages |
| sender_options | Options for creating a sender |
| session | A container of senders and receivers |
| session_options | Options for creating a session |
| source | A point of origin for messages |
| source_options | Options for creating a source node for a sender or receiver |
| ssl | SSL information |
| ssl_certificate | **Unsettled API** - An SSL certificate |
| ssl_client_options | **Unsettled API** - SSL configuration for outbound connections |
| ssl_server_options | **Unsettled API** - SSL configuration for inbound connections |
| start | **Unsettled API** - Start encoding a complex type |
| symbol | A string that represents the AMQP symbol type |
| target | A destination for messages |
| target_options | Options for creating a target node for a sender or receiver |
| terminus | One end of a link, either a source or a target |
| timeout_error | An operation timed out |
| timestamp | A 64-bit timestamp in milliseconds since the Unix epoch |
| tracker | A tracker for a sent message |
| transfer | The base class for delivery and tracker |
| transport | A network channel supporting an AMQP connection |
| url | **Deprecated** - Use a third-party URL library |
| url_error | **Deprecated** - Use a third-party URL library |
| uuid | A 16-byte universally unique identifier |
| value | A holder for any AMQP value, simple or complex |
| work_queue | **Unsettled API** - A context for thread-safe execution of work |
1.6.1