/// <summary>
 /// Invokes the 'TestNullablePredefined' method of the specified <see cref="MixedType"/> entity.
 /// </summary>
 /// <param name="entity">The <see cref="MixedType"/> entity instance.</param>
 /// <param name="d">The value for the 'd' parameter for this action.</param>
 /// <param name="dt">The value for the 'dt' parameter for this action.</param>
 /// <param name="ts">The value for the 'ts' parameter for this action.</param>
 /// <param name="g">The value for the 'g' parameter for this action.</param>
 /// <param name="en">The value for the 'en' parameter for this action.</param>
 /// <param name="dto">The value for the 'dto' parameter for this action.</param>
 public void TestNullablePredefined(MixedType entity, Nullable<decimal> d, Nullable<DateTime> dt, Nullable<TimeSpan> ts, Nullable<Guid> g, Nullable<TestEnum> en, Nullable<DateTimeOffset> dto)
 {
     entity.TestNullablePredefined(d, dt, ts, g, en, dto);
 }