Creation of EF Core Migrations - these execute using EF Tools, but are not integrated to run programmatically

Oqtane.Server/Migrations/Framework/ForeignKey.cs

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+using System;
+using System.Linq.Expressions;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Migrations.Operations;
+using Microsoft.EntityFrameworkCore.Migrations.Operations.Builders;
+using Oqtane.Migrations.EntityBuilders;
+
+namespace Oqtane.Migrations
+{
+    public readonly struct ForeignKey<TEntityBuilder> where TEntityBuilder : BaseEntityBuilder<TEntityBuilder>
+    {
+        public ForeignKey(string name, Expression<Func<TEntityBuilder, object>> column, string principalTable, string principalColumn, ReferentialAction onDeleteAction)
+        {
+            Name = name;
+            Column = column;
+            PrincipalTable = principalTable;
+            PrincipalColumn = principalColumn;
+            OnDeleteAction = onDeleteAction;
+        }
+
+        public string Name { get; }
+
+        public Expression<Func<TEntityBuilder, object>> Column { get;}
+
+        public ReferentialAction OnDeleteAction { get; }
+
+        public string PrincipalTable { get; }
+
+        public string PrincipalColumn { get; }
+
+
+    }
+}

Oqtane.Server/Migrations/Framework/PrimaryKey.cs

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+using System;
+using System.Linq.Expressions;
+using Oqtane.Migrations.EntityBuilders;
+
+namespace Oqtane.Migrations
+{
+    public readonly struct PrimaryKey<TEntityBuilder> where TEntityBuilder : BaseEntityBuilder<TEntityBuilder>
+    {
+        public PrimaryKey(string name, Expression<Func<TEntityBuilder, object>> columns)
+        {
+            Name = name;
+            Columns = columns;
+        }
+
+        public string Name { get; }
+
+        public Expression<Func<TEntityBuilder, object>> Columns { get;}
+
+
+    }
+}