anchor.diff:      val mutable mode: Mode
   
       /// <summary>TBD</summary>
  +    let namePrefixes = Dictionary<string, int>()
       let parameterDict = ParameterDict()
  -    let parameterPrefixes = Dictionary<string, int>()
  -
  -    /// <summary>TBD</summary>
  -    member val private subModels = Dictionary<string, ModelBase>()
  +    let modelsDict = Dictionary<string, ModelBase>()
   
       /// <summary>TBD</summary>
       member m.train() = 
  
positive.code:         for model:ModelBase in m.models do model.mode <- Mode.Eval
  
      /// <summary>TBD</summary>
      member m.parameters
          with get () = parameterDict
          and set parameters = parameterDict.set(parameters)
  
  
negative.code:     /// <summary>Gets the number of parameters of the model</summary>
      member m.nparameters = m.parameters.nelement
  
      /// <summary>TBD</summary>
      member m.saveParameters(fileName) = m.parametersVector.save(fileName)
  
  