diff --git a/src/Shared/GlobalUsings.Newtonsoft.Json.cs b/src/Shared/GlobalUsings.Newtonsoft.Json.cs
index daa2650cc..8fd0a60a6 100644
--- a/src/Shared/GlobalUsings.Newtonsoft.Json.cs
+++ b/src/Shared/GlobalUsings.Newtonsoft.Json.cs
@@ -20,3 +20,4 @@
 global using NewtonsoftJsonConstructor = Newtonsoft.Json.JsonConstructorAttribute;
 global using NewtonsoftJsonObject = Newtonsoft.Json.Linq.JObject;
 global using NewtonsoftJsonPropertyClass = Newtonsoft.Json.Serialization.JsonProperty;
+global using NewtonsoftJsonExtensionData = Newtonsoft.Json.JsonExtensionDataAttribute;
diff --git a/src/Shared/GlobalUsings.System.Text.Json.cs b/src/Shared/GlobalUsings.System.Text.Json.cs
index 01ba73415..f588a1e7d 100644
--- a/src/Shared/GlobalUsings.System.Text.Json.cs
+++ b/src/Shared/GlobalUsings.System.Text.Json.cs
@@ -20,3 +20,7 @@
 global using SystemTextJsonConstructor = System.Text.Json.Serialization.JsonConstructorAttribute;
 global using SystemTextJsonObject = System.Text.Json.Nodes.JsonObject;
 global using SystemTextJsonPropertyStruct = System.Text.Json.JsonProperty;
+global using SystemTextJsonExtensionData = System.Text.Json.Serialization.JsonExtensionDataAttribute;
+global using SystemTextJsonSerializable = System.Text.Json.Serialization.JsonSerializableAttribute;
+global using SystemTextJsonSerializerContext = System.Text.Json.Serialization.JsonSerializerContext;
+global using SystemTextJsonConverter = System.Text.Json.Serialization.JsonConverterAttribute;
\ No newline at end of file