/// <summary>
 /// Creates a new instance
 /// </summary>
 public ExpressionInOclReferencedElementsCollection(ExpressionInOcl parent)
 {
     this._parent = parent;
 }
 /// <summary>
 /// Creates a new instance
 /// </summary>
 public ExpressionInOclChildrenCollection(ExpressionInOcl parent)
 {
     this._parent = parent;
 }