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diff --git a/src/ModelAPI/ModelAPI_FiltersArgs.h b/src/ModelAPI/ModelAPI_FiltersArgs.h
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+// Copyright (C) 2014-2019  CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+#ifndef ModelAPI_FiltersArgs_H_
+#define ModelAPI_FiltersArgs_H_
+
+#include "ModelAPI_FiltersFeature.h"
+
+#include <map>
+
+/// separator between the filter name and the filter attribute ID
+static const std::string kFilterSeparator = "__";
+
+/// definition of arguments of filters: id of the argument to attributes
+class ModelAPI_FiltersArgs {
+  /// a map from the FilterID+AttributeID -> attribute
+  std::map<std::string, AttributePtr> myMap;
+  std::string myCurrentFilter; ///< ID of the filter that will take attributes now
+  FiltersFeaturePtr myFeature; ///< the feature is stored to minimize initAttribute interface
+public:
+  ModelAPI_FiltersArgs() {}
+
+  /// Sets the current filter ID
+  void setFilter(const std::string& theFilterID) {
+    myCurrentFilter = theFilterID;
+  }
+
+  /// Sets the current feature
+  void setFeature(const FiltersFeaturePtr theFeature) {
+    myFeature = theFeature;
+  }
+
+  /// Appends an argument of a filter
+  void add(AttributePtr theAttribute) {
+    myMap[theAttribute->id()] = theAttribute;
+  }
+
+  /// returns the argument of the current filter by the argument id
+  AttributePtr argument(const std::string& theID) const {
+    return myMap.find(myCurrentFilter + kFilterSeparator + theID)->second;
+  }
+  /// adds an attribute of the filter
+  std::shared_ptr<ModelAPI_Attribute> initAttribute(
+    const std::string& theID, const std::string theAttrType) {
+    AttributePtr aR = myFeature->data()->addFloatingAttribute(theID, theAttrType, myCurrentFilter);
+    aR->setIsArgument(false); // to avoid parametric update
+    return aR;
+  }
+};
+
+#endif
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