diff --git a/src/NetTestRegimentation/ITestAsyncMethodWithNullableParameters.cs b/src/NetTestRegimentation/ITestAsyncMethodWithNullableParameters.cs
index 189e503..90a3f41 100644
--- a/src/NetTestRegimentation/ITestAsyncMethodWithNullableParameters.cs
+++ b/src/NetTestRegimentation/ITestAsyncMethodWithNullableParameters.cs
@@ -338,4 +338,4 @@ Task ThrowsArgumentNullExceptionAsync(
             TArg16 arg16,
             string expectedParameterNameForException);
     }
-}
\ No newline at end of file
+}
diff --git a/src/NetTestRegimentation/ITestConstructorMethod.cs b/src/NetTestRegimentation/ITestConstructorMethod.cs
new file mode 100644
index 0000000..544f6b2
--- /dev/null
+++ b/src/NetTestRegimentation/ITestConstructorMethod.cs
@@ -0,0 +1,90 @@
+namespace NetTestRegimentation
+{
+    public interface ITestConstructorMethod
+    {
+        /// <summary>
+        /// Test to ensure an instance is returned.
+        /// </summary>
+        void ReturnsInstance();
+    }
+
+    public interface ITestConstructorMethodWithNullableParameters<in T1>
+        : ITestConstructorMethod, NetTestRegimentation.ITestMethodWithNullableParameters<T1>
+    {
+    }
+
+    public interface ITestConstructorMethodWithNullableParameters<in T1, in T2>
+        : ITestConstructorMethod, NetTestRegimentation.ITestMethodWithNullableParameters<T1, T2>
+    {
+    }
+
+    public interface ITestConstructorMethodWithNullableParameters<in T1, in T2, in T3>
+        : ITestConstructorMethod, NetTestRegimentation.ITestMethodWithNullableParameters<T1, T2, T3>
+    {
+    }
+
+    public interface ITestConstructorMethodWithNullableParameters<in T1, in T2, in T3, in T4>
+        : ITestConstructorMethod, NetTestRegimentation.ITestMethodWithNullableParameters<T1, T2, T3, T4>
+    {
+    }
+
+    public interface ITestConstructorMethodWithNullableParameters<in T1, in T2, in T3, in T4, in T5>
+        : ITestConstructorMethod, NetTestRegimentation.ITestMethodWithNullableParameters<T1, T2, T3, T4, T5>
+    {
+    }
+
+    public interface ITestConstructorMethodWithNullableParameters<in T1, in T2, in T3, in T4, in T5, in T6>
+        : ITestConstructorMethod, NetTestRegimentation.ITestMethodWithNullableParameters<T1, T2, T3, T4, T5, T6>
+    {
+    }
+
+    public interface ITestConstructorMethodWithNullableParameters<in T1, in T2, in T3, in T4, in T5, in T6, in T7>
+        : ITestConstructorMethod, NetTestRegimentation.ITestMethodWithNullableParameters<T1, T2, T3, T4, T5, T6, T7>
+    {
+    }
+
+    public interface ITestConstructorMethodWithNullableParameters<in T1, in T2, in T3, in T4, in T5, in T6, in T7, in T8>
+        : ITestConstructorMethod, NetTestRegimentation.ITestMethodWithNullableParameters<T1, T2, T3, T4, T5, T6, T7, T8>
+    {
+    }
+
+    public interface ITestConstructorMethodWithNullableParameters<in T1, in T2, in T3, in T4, in T5, in T6, in T7, in T8, in T9>
+        : ITestConstructorMethod, NetTestRegimentation.ITestMethodWithNullableParameters<T1, T2, T3, T4, T5, T6, T7, T8, T9>
+    {
+    }
+
+    public interface ITestConstructorMethodWithNullableParameters<in T1, in T2, in T3, in T4, in T5, in T6, in T7, in T8, in T9, in T10>
+        : ITestConstructorMethod, NetTestRegimentation.ITestMethodWithNullableParameters<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>
+    {
+    }
+
+    public interface ITestConstructorMethodWithNullableParameters<in T1, in T2, in T3, in T4, in T5, in T6, in T7, in T8, in T9, in T10, in T11>
+        : ITestConstructorMethod, NetTestRegimentation.ITestMethodWithNullableParameters<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>
+    {
+    }
+
+    public interface ITestConstructorMethodWithNullableParameters<in T1, in T2, in T3, in T4, in T5, in T6, in T7, in T8, in T9, in T10, in T11, in T12>
+        : ITestConstructorMethod, NetTestRegimentation.ITestMethodWithNullableParameters<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>
+    {
+    }
+
+    public interface ITestConstructorMethodWithNullableParameters<in T1, in T2, in T3, in T4, in T5, in T6, in T7, in T8, in T9, in T10, in T11, in T12, in T13>
+        : ITestConstructorMethod, NetTestRegimentation.ITestMethodWithNullableParameters<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13>
+    {
+    }
+
+    public interface ITestConstructorMethodWithNullableParameters<in T1, in T2, in T3, in T4, in T5, in T6, in T7, in T8, in T9, in T10, in T11, in T12, in T13, in T14>
+        : ITestConstructorMethod, NetTestRegimentation.ITestMethodWithNullableParameters<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14>
+    {
+    }
+
+    public interface ITestConstructorMethodWithNullableParameters<in T1, in T2, in T3, in T4, in T5, in T6, in T7, in T8, in T9, in T10, in T11, in T12, in T13, in T14, in T15>
+        : ITestConstructorMethod, NetTestRegimentation.ITestMethodWithNullableParameters<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15>
+    {
+    }
+
+    public interface ITestConstructorMethodWithNullableParameters<in T1, in T2, in T3, in T4, in T5, in T6, in T7, in T8, in T9, in T10, in T11, in T12, in T13, in T14, in T15, in T16>
+        : ITestConstructorMethod, NetTestRegimentation.ITestMethodWithNullableParameters<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16>
+    {
+    }
+}