Make IScaffoldingModelFactory public

Fixes dotnet#23049

src/EFCore.Design/Scaffolding/IScaffoldingModelFactory.cs

@@ -0,0 +1,22 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Scaffolding.Metadata;
+
+namespace Microsoft.EntityFrameworkCore.Scaffolding
+{
+    /// <summary>
+    ///     Used to create an <see cref="IModel"/> from a <see cref="DatabaseModel"/>.
+    /// </summary>
+    public interface IScaffoldingModelFactory
+    {
+        /// <summary>
+        ///     Creates an <see cref="IModel"/> from a <see cref="DatabaseModel"/>.
+        /// </summary>
+        /// <param name="databaseModel"> The database model. </param>
+        /// <param name="options"> The options to use while creating the model. </param>
+        /// <returns> The model. </returns>
+        IModel Create(DatabaseModel databaseModel, ModelReverseEngineerOptions options);
+    }
+}

test/EFCore.Design.Tests/Scaffolding/Internal/RelationalDatabaseModelFactoryTest.cs

@@ -8,7 +8,6 @@
 using Microsoft.EntityFrameworkCore.Metadata.Internal;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Scaffolding;
-using Microsoft.EntityFrameworkCore.Scaffolding.Internal;
 using Microsoft.EntityFrameworkCore.Scaffolding.Metadata;
 using Microsoft.EntityFrameworkCore.Scaffolding.Metadata.Internal;
 using Microsoft.EntityFrameworkCore.TestUtilities;