Make types internal

Author: bording

projects/client/RabbitMQ.Client/src/client/api/AmqpVersion.cs

@@ -54,7 +54,7 @@ namespace RabbitMQ.Client
     /// special-cases 8-0, rewriting it at construction time to be 0-8 instead.
     /// </para>
     /// </remarks>
-    public class AmqpVersion
+    class AmqpVersion
     {
         /// <summary>
         /// Construct an <see cref="AmqpVersion"/> from major and minor version numbers.

projects/client/RabbitMQ.Client/src/client/api/BinaryTableValue.cs

@@ -67,7 +67,7 @@ namespace RabbitMQ.Client
     /// of this class must be used.
     /// </para>
     /// </remarks>
-    public class BinaryTableValue
+    class BinaryTableValue
     {
         /// <summary>
         /// Creates a new instance of the <see cref="BinaryTableValue"/> with null for its Bytes property.

projects/client/RabbitMQ.Client/src/client/api/SslHelper.cs

@@ -50,7 +50,7 @@ namespace RabbitMQ.Client
     /// Represents an <see cref="SslHelper"/> which does the actual heavy lifting to set up an SSL connection,
     ///  using the config options in an <see cref="SslOption"/> to make things cleaner.
     /// </summary>
-    public class SslHelper
+    class SslHelper
     {
         private readonly SslOption _sslOption;