Finish up version 7 release

* Add code XML docs with regard to message body data

Author: lukebakken

projects/RabbitMQ.Client/client/api/IAsyncBasicConsumer.cs

@@ -36,12 +36,19 @@ public interface IAsyncBasicConsumer
 
         /// <summary>
         /// Called each time a message arrives for this consumer.
-        /// </summary>
         /// <remarks>
-        /// Does nothing with the passed in information.
-        /// Note that in particular, some delivered messages may require acknowledgement via <see cref="IChannel.BasicAckAsync"/>.
-        /// The implementation of this method in this class does NOT acknowledge such messages.
+        ///  <para>
+        ///   Does nothing with the passed in information.
+        ///   Note that in particular, some delivered messages may require acknowledgement via <see cref="IChannel.BasicAckAsync"/>.
+        ///   The implementation of this method in this class does NOT acknowledge such messages.
+        ///  </para>
+        ///  <para>
+        ///    NOTE: Using the <c>body</c> outside of
+        ///    <c><seealso cref="IAsyncBasicConsumer.HandleBasicDeliverAsync(string, ulong, bool, string, string, IReadOnlyBasicProperties, ReadOnlyMemory{byte})"/></c>
+        ///    requires that it be copied!
+        ///  </para>
         /// </remarks>
+        ///</summary>
         Task HandleBasicDeliverAsync(string consumerTag,
             ulong deliveryTag,
             bool redelivered,

projects/RabbitMQ.Client/client/events/BasicDeliverEventArgs.cs

@@ -59,7 +59,23 @@ public BasicDeliverEventArgs(string consumerTag,
         ///<summary>The content header of the message.</summary>
         public readonly IReadOnlyBasicProperties BasicProperties;
 
-        ///<summary>The message body.</summary>
+        ///<summary>
+        /// <para>
+        ///   The message body as a sequence of bytes.
+        /// </para>
+        /// <para>
+        ///   NOTE: Using this memory outside of
+        ///   <c><seealso cref="AsyncEventingBasicConsumer.Received"/></c>
+        ///   requires that it be copied!
+        ///   <example>
+        ///   This shows how to copy the data for use:
+        ///   <code>
+        ///   byte[] bodyCopy = eventArgs.Body.ToArray();
+        ///   // bodyCopy is now safe to use elsewhere
+        ///   </code>
+        ///   </example>
+        /// </para>
+        ///</summary>
         public readonly ReadOnlyMemory<byte> Body;
 
         ///<summary>The consumer tag of the consumer that the message