diff --git a/src/Adapter/MSTest.TestAdapter/InternalAPI/InternalAPI.Unshipped.txt b/src/Adapter/MSTest.TestAdapter/InternalAPI/InternalAPI.Unshipped.txt
index 7dc5c58110..af599cf7c5 100644
--- a/src/Adapter/MSTest.TestAdapter/InternalAPI/InternalAPI.Unshipped.txt
+++ b/src/Adapter/MSTest.TestAdapter/InternalAPI/InternalAPI.Unshipped.txt
@@ -1 +1,4 @@
 #nullable enable
+Microsoft.VisualStudio.TestTools.UnitTesting.PlatformServicesConfigurationAdapter
+Microsoft.VisualStudio.TestTools.UnitTesting.PlatformServicesConfigurationAdapter.PlatformServicesConfigurationAdapter(Microsoft.Testing.Platform.Configurations.IConfiguration! configuration) -> void
+Microsoft.VisualStudio.TestTools.UnitTesting.PlatformServicesConfigurationAdapter.this[string! key].get -> string?
diff --git a/src/Platform/Microsoft.Testing.Extensions.HangDump/InternalAPI/InternalAPI.Unshipped.txt b/src/Platform/Microsoft.Testing.Extensions.HangDump/InternalAPI/InternalAPI.Unshipped.txt
index 7dc5c58110..c84445ece8 100644
--- a/src/Platform/Microsoft.Testing.Extensions.HangDump/InternalAPI/InternalAPI.Unshipped.txt
+++ b/src/Platform/Microsoft.Testing.Extensions.HangDump/InternalAPI/InternalAPI.Unshipped.txt
@@ -1 +1,3 @@
 #nullable enable
+static Microsoft.Testing.Platform.IPC.Serializers.BaseSerializer.ReadFields(System.IO.Stream! stream, System.Func<ushort, int, bool>! tryReadField) -> void
+static Microsoft.Testing.Platform.IPC.Serializers.BaseSerializer.WriteListPayload<T>(System.IO.Stream! stream, ushort fieldId, T[]? list, System.Action<System.IO.Stream!, T>! writeItem) -> void
diff --git a/src/Platform/Microsoft.Testing.Extensions.MSBuild/InternalAPI.Unshipped.txt b/src/Platform/Microsoft.Testing.Extensions.MSBuild/InternalAPI.Unshipped.txt
index 7dc5c58110..c84445ece8 100644
--- a/src/Platform/Microsoft.Testing.Extensions.MSBuild/InternalAPI.Unshipped.txt
+++ b/src/Platform/Microsoft.Testing.Extensions.MSBuild/InternalAPI.Unshipped.txt
@@ -1 +1,3 @@
 #nullable enable
+static Microsoft.Testing.Platform.IPC.Serializers.BaseSerializer.ReadFields(System.IO.Stream! stream, System.Func<ushort, int, bool>! tryReadField) -> void
+static Microsoft.Testing.Platform.IPC.Serializers.BaseSerializer.WriteListPayload<T>(System.IO.Stream! stream, ushort fieldId, T[]? list, System.Action<System.IO.Stream!, T>! writeItem) -> void
diff --git a/src/Platform/Microsoft.Testing.Extensions.Retry/InternalAPI/InternalAPI.Unshipped.txt b/src/Platform/Microsoft.Testing.Extensions.Retry/InternalAPI/InternalAPI.Unshipped.txt
index 7dc5c58110..c84445ece8 100644
--- a/src/Platform/Microsoft.Testing.Extensions.Retry/InternalAPI/InternalAPI.Unshipped.txt
+++ b/src/Platform/Microsoft.Testing.Extensions.Retry/InternalAPI/InternalAPI.Unshipped.txt
@@ -1 +1,3 @@
 #nullable enable
+static Microsoft.Testing.Platform.IPC.Serializers.BaseSerializer.ReadFields(System.IO.Stream! stream, System.Func<ushort, int, bool>! tryReadField) -> void
+static Microsoft.Testing.Platform.IPC.Serializers.BaseSerializer.WriteListPayload<T>(System.IO.Stream! stream, ushort fieldId, T[]? list, System.Action<System.IO.Stream!, T>! writeItem) -> void
diff --git a/src/Platform/Microsoft.Testing.Extensions.TrxReport/InternalAPI/InternalAPI.Unshipped.txt b/src/Platform/Microsoft.Testing.Extensions.TrxReport/InternalAPI/InternalAPI.Unshipped.txt
index 7dc5c58110..c84445ece8 100644
--- a/src/Platform/Microsoft.Testing.Extensions.TrxReport/InternalAPI/InternalAPI.Unshipped.txt
+++ b/src/Platform/Microsoft.Testing.Extensions.TrxReport/InternalAPI/InternalAPI.Unshipped.txt
@@ -1 +1,3 @@
 #nullable enable
+static Microsoft.Testing.Platform.IPC.Serializers.BaseSerializer.ReadFields(System.IO.Stream! stream, System.Func<ushort, int, bool>! tryReadField) -> void
+static Microsoft.Testing.Platform.IPC.Serializers.BaseSerializer.WriteListPayload<T>(System.IO.Stream! stream, ushort fieldId, T[]? list, System.Action<System.IO.Stream!, T>! writeItem) -> void
diff --git a/src/Platform/Microsoft.Testing.Platform/InternalAPI/InternalAPI.Unshipped.txt b/src/Platform/Microsoft.Testing.Platform/InternalAPI/InternalAPI.Unshipped.txt
index 7dc5c58110..c84445ece8 100644
--- a/src/Platform/Microsoft.Testing.Platform/InternalAPI/InternalAPI.Unshipped.txt
+++ b/src/Platform/Microsoft.Testing.Platform/InternalAPI/InternalAPI.Unshipped.txt
@@ -1 +1,3 @@
 #nullable enable
+static Microsoft.Testing.Platform.IPC.Serializers.BaseSerializer.ReadFields(System.IO.Stream! stream, System.Func<ushort, int, bool>! tryReadField) -> void
+static Microsoft.Testing.Platform.IPC.Serializers.BaseSerializer.WriteListPayload<T>(System.IO.Stream! stream, ushort fieldId, T[]? list, System.Action<System.IO.Stream!, T>! writeItem) -> void
diff --git a/src/Platform/Microsoft.Testing.Platform/InternalAPI/net/InternalAPI.Unshipped.txt b/src/Platform/Microsoft.Testing.Platform/InternalAPI/net/InternalAPI.Unshipped.txt
index 7dc5c58110..c84445ece8 100644
--- a/src/Platform/Microsoft.Testing.Platform/InternalAPI/net/InternalAPI.Unshipped.txt
+++ b/src/Platform/Microsoft.Testing.Platform/InternalAPI/net/InternalAPI.Unshipped.txt
@@ -1 +1,3 @@
 #nullable enable
+static Microsoft.Testing.Platform.IPC.Serializers.BaseSerializer.ReadFields(System.IO.Stream! stream, System.Func<ushort, int, bool>! tryReadField) -> void
+static Microsoft.Testing.Platform.IPC.Serializers.BaseSerializer.WriteListPayload<T>(System.IO.Stream! stream, ushort fieldId, T[]? list, System.Action<System.IO.Stream!, T>! writeItem) -> void