Partial Type

src/Workspaces/SharedUtilitiesAndExtensions/Compiler/Core/Serialization/ObjectWriter.cs

src/Workspaces/SharedUtilitiesAndExtensions/Compiler/Core/Serialization/ObjectWriter.TypeCode.cs

src/Workspaces/SharedUtilitiesAndExtensions/Compiler/Core/Serialization/ObjectWriter.WriterReferenceMap.cs