Initial commit: Unity WordConnect project

Assets/WordConnectGameToolkit/VContainer/Runtime/Internal/InstanceRegistrationBuilder.cs

@@ -0,0 +1,22 @@
+using System.Runtime.CompilerServices;
+
+namespace VContainer.Internal
+{
+    sealed class InstanceRegistrationBuilder : RegistrationBuilder
+    {
+        readonly object implementationInstance;
+
+        public InstanceRegistrationBuilder(object implementationInstance)
+            : base(implementationInstance.GetType(), Lifetime.Singleton)
+        {
+            this.implementationInstance = implementationInstance;
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public override Registration Build()
+        {
+            var spawner = new ExistingInstanceProvider(implementationInstance);
+            return new Registration(ImplementationType, Lifetime, InterfaceTypes, spawner);
+        }
+    }
+}