message: sync with java: in class Raven.Client.Documents.Session.DocumentsChanges some fields are not used
diff: @@ -2,7 +2,15 @@ export class DocumentsChanges {
  public fieldOldValue: any;
  public fieldNewValue: any;
  +
  + /**
  + * @deprecated FieldOldType is not supported anymore. Will be removed in next major version of the product.
  + */
  public fieldOldType: string;
  +
  + /**
  + * @deprecated FieldNewType is not supported anymore. Will be removed in next major version of the product.
  + */
  public fieldNewType: string;
  public change: ChangeType;
  public fieldName: string;
  