CSHARP-4886: Mark API that will be removed in 3.0 as obsolete: MongoDB.Bson

src/Directory.Build.props

@@ -51,4 +51,10 @@
     <None Include="..\..\LICENSE.md" Pack="true" PackagePath="$(PackageLicenseFile)" />
     <None Include="..\..\packageIcon.png" Pack="true" PackagePath="" />
   </ItemGroup>
+
+  <PropertyGroup>
+    <NoWarn>
+      CS0618 <!--Temporary disable obsolete warnings due the massive volume of warnings-->
+    </NoWarn>
+  </PropertyGroup>
 </Project>

src/MongoDB.Bson/BsonDefaults.cs

@@ -22,6 +22,7 @@ namespace MongoDB.Bson
     /// <summary>
     /// A static helper class containing BSON defaults.
     /// </summary>
+    [Obsolete("This class will be removed in later release.")]
     public static class BsonDefaults
     {
         // private static fields

src/MongoDB.Bson/IO/BsonBinaryReaderSettings.cs

@@ -45,6 +45,7 @@ public BsonBinaryReaderSettings()
         /// <summary>
         /// Gets or sets the default settings for a BsonBinaryReader.
         /// </summary>
+        [Obsolete("This property will be removed in later release.")]
         public static BsonBinaryReaderSettings Defaults
         {
             get

src/MongoDB.Bson/IO/BsonBinaryWriterSettings.cs

@@ -44,6 +44,7 @@ public BsonBinaryWriterSettings()
         /// <summary>
         /// Gets or sets the default BsonBinaryWriter settings.
         /// </summary>
+        [Obsolete("This property will be removed in later release.")]
         public static BsonBinaryWriterSettings Defaults
         {
             get

src/MongoDB.Bson/IO/BsonDocumentReaderSettings.cs

@@ -48,6 +48,7 @@ public BsonDocumentReaderSettings(GuidRepresentation guidRepresentation)
         /// <summary>
         /// Gets or sets the default settings for a BsonDocumentReader.
         /// </summary>
+        [Obsolete("This property will be removed in later release.")]
         public static BsonDocumentReaderSettings Defaults
         {
             get

src/MongoDB.Bson/IO/BsonDocumentWriterSettings.cs

@@ -48,6 +48,7 @@ public BsonDocumentWriterSettings(GuidRepresentation guidRepresentation)
         /// <summary>
         /// Gets or sets the default BsonDocumentWriter settings.
         /// </summary>
+        [Obsolete("This property will be removed in later release.")]
         public static BsonDocumentWriterSettings Defaults
         {
             get

src/MongoDB.Bson/IO/BsonTrie.cs

@@ -21,6 +21,7 @@ namespace MongoDB.Bson.IO
     /// Represents a mapping from a set of UTF8 encoded strings to a set of elementName/value pairs, implemented as a trie.
     /// </summary>
     /// <typeparam name="TValue">The type of the BsonTrie values.</typeparam>
+    [Obsolete("This class will be removed in later release.")]
     public class BsonTrie<TValue>
     {
         // private fields

src/MongoDB.Bson/IO/BsonWriter.cs

@@ -100,7 +100,6 @@ protected string Name
             get { return _name; }
         }
 
-        // public static methods
         // public methods
         /// <summary>
         /// Closes the writer.

src/MongoDB.Bson/IO/ByteArrayChunk.cs

@@ -20,6 +20,7 @@ namespace MongoDB.Bson.IO
     /// <summary>
     /// Represents a chunk backed by a byte array.
     /// </summary>
+    [Obsolete("This class will be removed in later release.")]
     public class ByteArrayChunk : IBsonChunk
     {
         #region static

src/MongoDB.Bson/IO/ByteBufferFactory.cs

@@ -22,6 +22,8 @@ namespace MongoDB.Bson.IO
     /// <summary>
     /// Represents a factory for IBsonBuffers.
     /// </summary>
+    /// ByteBufferFactory
+    [Obsolete("This class will be removed in later release.")]
     public static class ByteBufferFactory
     {
         /// <summary>

src/MongoDB.Bson/IO/ByteBufferSlice.cs

@@ -21,6 +21,7 @@ namespace MongoDB.Bson.IO
     /// <summary>
     /// Represents a slice of a byte buffer.
     /// </summary>
+    [Obsolete("This class will be removed in later release.")]
     public class ByteBufferSlice : IByteBuffer
     {
         private readonly IByteBuffer _buffer;

src/MongoDB.Bson/IO/IStreamEfficientCopyTo.cs

@@ -13,13 +13,15 @@
 * limitations under the License.
 */
 
+using System;
 using System.IO;
 
 namespace MongoDB.Bson.IO
 {
     /// <summary>
     /// Represents the effective CopyTo method.
     /// </summary>
+    [Obsolete("This interface will be removed in later release.")]
     public interface IStreamEfficientCopyTo
     {
         /// <summary>

src/MongoDB.Bson/IO/JsonReaderSettings.cs

@@ -38,6 +38,7 @@ public JsonReaderSettings()
         /// <summary>
         /// Gets or sets the default settings for a JsonReader.
         /// </summary>
+        [Obsolete("This property will be removed in later release.")]
         public static JsonReaderSettings Defaults
         {
             get

src/MongoDB.Bson/IO/JsonWriterSettings.cs

@@ -47,6 +47,7 @@ public JsonWriterSettings()
         /// <summary>
         /// Gets or sets the default JsonWriterSettings.
         /// </summary>
+        [Obsolete("This property will be removed in later release.")]
         public static JsonWriterSettings Defaults
         {
             get

src/MongoDB.Bson/IO/TrieNameDecoder.cs

@@ -13,6 +13,7 @@
 * limitations under the License.
 */
 
+using System;
 using System.Text;
 
 namespace MongoDB.Bson.IO
@@ -21,6 +22,7 @@ namespace MongoDB.Bson.IO
     /// Represents a Trie-based name decoder that also provides a value.
     /// </summary>
     /// <typeparam name="TValue">The type of the value.</typeparam>
+    [Obsolete("This class will be removed in later release.")]
     public class TrieNameDecoder<TValue> : INameDecoder
     {
         // private fields