public abstract class SearchProcessorBase<TWrapper, TModel>
where TWrapper : SearchParametersWrapper<TModel>
where TModel : class, new()

Public MustInherit Class SearchProcessorBase(Of TWrapper As SearchParametersWrapper(Of TModel), TModel As {Class, New})

generic<typename TWrapper, typename TModel>
where TWrapper : SearchParametersWrapper<TModel>
where TModel : ref class, gcnew()
public ref class SearchProcessorBase abstract

[<AbstractClassAttribute>]
type SearchProcessorBase<'TWrapper, 'TModel when 'TWrapper : SearchParametersWrapper<'TModel> when 'TModel : not struct, new()> =  class end