diff --git a/bootstrap/__init__.py b/bootstrap/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/bootstrap/simple_class_diagrams.py b/bootstrap/simple_class_diagrams.py
new file mode 100644
index 0000000..bfe9289
--- /dev/null
+++ b/bootstrap/simple_class_diagrams.py
@@ -0,0 +1,204 @@
+from core.element import Element
+from state.base import State, STRING, INTEGER, BOOLEAN, TYPE
+from core.context.generic import GenericContext
+
+
+def bootstrap_scd(state: State) -> Element:
+    ctx = GenericContext(state, Element(), Element())
+
+    scd = state.create_nodevalue("SimpleClassDiagrams")
+    state.create_dict(state.read_root(), "SimpleClassDiagrams", scd)
+    state.create_dict(scd, "Model", state.create_node())
+    state.create_dict(scd, "Metamodel", scd)
+    ctx.__init__(state, Element(id=scd), Element(id=scd))
+
+    # Classes --> elements that will be typed by Class
+    ctx.bottom.add_node(Element(value="Element"))
+    ctx.bottom.add_node(Element(value="Class"))
+    ctx.bottom.add_value(Element(value="Attribute"), Element(value=TYPE))
+
+    # Associations --> elements that will be typed by Association
+    ctx.bottom.add_edge(Element(value="Association"), Element(value="Class"), Element(value="Class"))
+    ctx.bottom.add_edge(Element(value="Inheritance"), Element(value="Element"), Element(value="Element"))
+    ctx.bottom.add_edge(Element(value="AttributeLink"), Element(value="Element"), Element(value="Attribute"))
+
+    # Attributes --> elements that will be typed by Attribute
+    ctx.bottom.add_value(Element(value="Class_lower_cardinality"), Element(value=INTEGER))
+    ctx.bottom.add_value(Element(value="Class_upper_cardinality"), Element(value=INTEGER))
+
+    ctx.bottom.add_value(Element(value="Association_source_lower_cardinality"), Element(value=INTEGER))
+    ctx.bottom.add_value(Element(value="Association_source_upper_cardinality"), Element(value=INTEGER))
+    ctx.bottom.add_value(Element(value="Association_target_lower_cardinality"), Element(value=INTEGER))
+    ctx.bottom.add_value(Element(value="Association_target_upper_cardinality"), Element(value=INTEGER))
+
+    ctx.bottom.add_value(Element(value="Attribute_name"), Element(value=STRING))
+    ctx.bottom.add_value(Element(value="Attribute_optional"), Element(value=BOOLEAN))
+
+    # Attribute instances --> elements that will be typed by one of the Attributes defined above
+    ctx.bottom.add_value(Element(value="Attribute_name.name"), Element(value="name"))
+    ctx.bottom.add_value(Element(value="Attribute_name.optional"), Element(value=False))
+    ctx.bottom.add_value(Element(value="Attribute_optional.name"), Element(value="optional"))
+    ctx.bottom.add_value(Element(value="Attribute_optional.optional"), Element(value=False))
+
+    ctx.bottom.add_value(Element(value="Class_lower_cardinality.name"), Element(value="lower_cardinality"))
+    ctx.bottom.add_value(Element(value="Class_lower_cardinality.optional"), Element(value=True))
+    ctx.bottom.add_value(Element(value="Class_upper_cardinality.name"), Element(value="upper_cardinality"))
+    ctx.bottom.add_value(Element(value="Class_upper_cardinality.optional"), Element(value=True))
+
+    ctx.bottom.add_value(Element(value="Association_source_lower_cardinality.name"),
+                         Element(value="source_lower_cardinality"))
+    ctx.bottom.add_value(Element(value="Association_source_lower_cardinality.optional"), Element(value=True))
+    ctx.bottom.add_value(Element(value="Association_source_upper_cardinality.name"),
+                         Element(value="source_upper_cardinality"))
+    ctx.bottom.add_value(Element(value="Association_source_upper_cardinality.optional"), Element(value=True))
+
+    ctx.bottom.add_value(Element(value="Association_target_lower_cardinality.name"),
+                         Element(value="target_lower_cardinality"))
+    ctx.bottom.add_value(Element(value="Association_target_lower_cardinality.optional"), Element(value=True))
+    ctx.bottom.add_value(Element(value="Association_target_upper_cardinality.name"),
+                         Element(value="target_upper_cardinality"))
+    ctx.bottom.add_value(Element(value="Association_target_upper_cardinality.optional"), Element(value=True))
+
+    # Inheritance instances --> elements that will be typed by Inheritance
+    ctx.bottom.add_edge(Element(value="class_inh_element"), Element(value="Class"), Element(value="Element"))
+    ctx.bottom.add_edge(Element(value="attribute_inh_element"), Element(value="Attribute"), Element(value="Element"))
+    ctx.bottom.add_edge(Element(value="association_inh_element"), Element(value="Association"),
+                        Element(value="Element"))
+    ctx.bottom.add_edge(Element(value="attributelink_inh_element"), Element(value="AttributeLink"),
+                        Element(value="Element"))
+
+    # AttributeLinks --> elements that will be typed by AttributeLink
+    ctx.bottom.add_edge(Element(value="Class_attr01"), Element(value="Class"),
+                        Element(value="Class_lower_cardinality"))
+    ctx.bottom.add_edge(Element(value="Class_attr02"), Element(value="Class"),
+                        Element(value="Class_upper_cardinality"))
+
+    ctx.bottom.add_edge(Element(value="Association_attr01"), Element(value="Association"),
+                        Element(value="Association_source_lower_cardinality"))
+    ctx.bottom.add_edge(Element(value="Association_attr02"), Element(value="Association"),
+                        Element(value="Association_source_upper_cardinality"))
+    ctx.bottom.add_edge(Element(value="Association_attr03"), Element(value="Association"),
+                        Element(value="Association_target_lower_cardinality"))
+    ctx.bottom.add_edge(Element(value="Association_attr04"), Element(value="Association"),
+                        Element(value="Association_target_upper_cardinality"))
+
+    ctx.bottom.add_edge(Element(value="Attribute_name_link"), Element(value="Attribute"),
+                        Element(value="Attribute_name"))
+    ctx.bottom.add_edge(Element(value="Attribute_optional_link"), Element(value="Attribute"),
+                        Element(value="Attribute_optional"))
+
+    # AttributeLink instances --> elements that will be typed by one of the AttributeLink defined above
+    ctx.bottom.add_edge(Element(value="Attribute_name_link_01"), Element(value="Attribute_name"),
+                        Element(value="Attribute_name.name"))
+    ctx.bottom.add_edge(Element(value="Attribute_optional_link_01"), Element(value="Attribute_name"),
+                        Element(value="Attribute_name.optional"))
+    ctx.bottom.add_edge(Element(value="Attribute_name_link_02"), Element(value="Attribute_optional"),
+                        Element(value="Attribute_optional.name"))
+    ctx.bottom.add_edge(Element(value="Attribute_optional_link_02"), Element(value="Attribute_optional"),
+                        Element(value="Attribute_optional.optional"))
+
+    ctx.bottom.add_edge(Element(value="Attribute_name_link_03"), Element(value="Class_lower_cardinality"),
+                        Element(value="Class_lower_cardinality.name"))
+    ctx.bottom.add_edge(Element(value="Attribute_optional_link_03"), Element(value="Class_lower_cardinality"),
+                        Element(value="Class_lower_cardinality.optional"))
+    ctx.bottom.add_edge(Element(value="Attribute_name_link_04"), Element(value="Class_upper_cardinality"),
+                        Element(value="Class_upper_cardinality.name"))
+    ctx.bottom.add_edge(Element(value="Attribute_optional_link_04"), Element(value="Class_upper_cardinality"),
+                        Element(value="Class_upper_cardinality.optional"))
+
+    ctx.bottom.add_edge(Element(value="Attribute_name_link_05"), Element(value="Association_source_lower_cardinality"),
+                        Element(value="Association_source_lower_cardinality.name"))
+    ctx.bottom.add_edge(Element(value="Attribute_optional_link_05"),
+                        Element(value="Association_source_lower_cardinality"),
+                        Element(value="Association_source_lower_cardinality.optional"))
+    ctx.bottom.add_edge(Element(value="Attribute_name_link_06"), Element(value="Association_source_upper_cardinality"),
+                        Element(value="Association_source_upper_cardinality.name"))
+    ctx.bottom.add_edge(Element(value="Attribute_optional_link_06"),
+                        Element(value="Association_source_upper_cardinality"),
+                        Element(value="Association_source_upper_cardinality.optional"))
+
+    ctx.bottom.add_edge(Element(value="Attribute_name_link_07"), Element(value="Association_target_lower_cardinality"),
+                        Element(value="Association_target_lower_cardinality.name"))
+    ctx.bottom.add_edge(Element(value="Attribute_optional_link_07"),
+                        Element(value="Association_target_lower_cardinality"),
+                        Element(value="Association_target_lower_cardinality.optional"))
+    ctx.bottom.add_edge(Element(value="Attribute_name_link_08"), Element(value="Association_target_upper_cardinality"),
+                        Element(value="Association_target_upper_cardinality.name"))
+    ctx.bottom.add_edge(Element(value="Attribute_optional_link_08"),
+                        Element(value="Association_target_upper_cardinality"),
+                        Element(value="Association_target_upper_cardinality.optional"))
+
+    """
+    Retype the elements of the model.
+    This way we make the model "metacircular".
+    """
+    ctx.retype_element(Element(value="Element"), Element(value="Class"))
+    ctx.retype_element(Element(value="Class"), Element(value="Class"))
+    ctx.retype_element(Element(value="Attribute"), Element(value="Class"))
+
+    ctx.retype_element(Element(value="Association"), Element(value="Association"))
+    ctx.retype_element(Element(value="Inheritance"), Element(value="Association"))
+    ctx.retype_element(Element(value="AttributeLink"), Element(value="Association"))
+
+    ctx.retype_element(Element(value="Class_lower_cardinality"), Element(value="Attribute"))
+    ctx.retype_element(Element(value="Class_upper_cardinality"), Element(value="Attribute"))
+    ctx.retype_element(Element(value="Association_source_lower_cardinality"), Element(value="Attribute"))
+    ctx.retype_element(Element(value="Association_source_upper_cardinality"), Element(value="Attribute"))
+    ctx.retype_element(Element(value="Association_target_lower_cardinality"), Element(value="Attribute"))
+    ctx.retype_element(Element(value="Association_target_upper_cardinality"), Element(value="Attribute"))
+    ctx.retype_element(Element(value="Attribute_name"), Element(value="Attribute"))
+    ctx.retype_element(Element(value="Attribute_optional"), Element(value="Attribute"))
+
+    ctx.retype_element(Element(value="Class_attr01"), Element(value="AttributeLink"))
+    ctx.retype_element(Element(value="Class_attr02"), Element(value="AttributeLink"))
+    ctx.retype_element(Element(value="Association_attr01"), Element(value="AttributeLink"))
+    ctx.retype_element(Element(value="Association_attr02"), Element(value="AttributeLink"))
+    ctx.retype_element(Element(value="Association_attr03"), Element(value="AttributeLink"))
+    ctx.retype_element(Element(value="Association_attr04"), Element(value="AttributeLink"))
+    ctx.retype_element(Element(value="Attribute_name_link"), Element(value="AttributeLink"))
+    ctx.retype_element(Element(value="Attribute_optional_link"), Element(value="AttributeLink"))
+
+    ctx.retype_element(Element(value="class_inh_element"), Element(value="Inheritance"))
+    ctx.retype_element(Element(value="attribute_inh_element"), Element(value="Inheritance"))
+    ctx.retype_element(Element(value="association_inh_element"), Element(value="Inheritance"))
+    ctx.retype_element(Element(value="attributelink_inh_element"), Element(value="Inheritance"))
+
+    ctx.retype_element(Element(value="Attribute_name.name"), Element(value="Attribute_name"))
+    ctx.retype_element(Element(value="Attribute_name.optional"), Element(value="Attribute_optional"))
+    ctx.retype_element(Element(value="Attribute_optional.name"), Element(value="Attribute_name"))
+    ctx.retype_element(Element(value="Attribute_optional.optional"), Element(value="Attribute_optional"))
+    ctx.retype_element(Element(value="Class_lower_cardinality.name"), Element(value="Attribute_name"))
+    ctx.retype_element(Element(value="Class_lower_cardinality.optional"), Element(value="Attribute_optional"))
+    ctx.retype_element(Element(value="Class_upper_cardinality.name"), Element(value="Attribute_name"))
+    ctx.retype_element(Element(value="Class_upper_cardinality.optional"), Element(value="Attribute_optional"))
+    ctx.retype_element(Element(value="Association_source_lower_cardinality.name"), Element(value="Attribute_name"))
+    ctx.retype_element(Element(value="Association_source_lower_cardinality.optional"),
+                       Element(value="Attribute_optional"))
+    ctx.retype_element(Element(value="Association_source_upper_cardinality.name"), Element(value="Attribute_name"))
+    ctx.retype_element(Element(value="Association_source_upper_cardinality.optional"),
+                       Element(value="Attribute_optional"))
+    ctx.retype_element(Element(value="Association_target_lower_cardinality.name"), Element(value="Attribute_name"))
+    ctx.retype_element(Element(value="Association_target_lower_cardinality.optional"),
+                       Element(value="Attribute_optional"))
+    ctx.retype_element(Element(value="Association_target_upper_cardinality.name"), Element(value="Attribute_name"))
+    ctx.retype_element(Element(value="Association_target_upper_cardinality.optional"),
+                       Element(value="Attribute_optional"))
+
+    ctx.retype_element(Element(value="Attribute_name_link_01"), Element(value="Attribute_name_link"))
+    ctx.retype_element(Element(value="Attribute_optional_link_01"), Element(value="Attribute_optional_link"))
+    ctx.retype_element(Element(value="Attribute_name_link_02"), Element(value="Attribute_name_link"))
+    ctx.retype_element(Element(value="Attribute_optional_link_02"), Element(value="Attribute_optional_link"))
+    ctx.retype_element(Element(value="Attribute_name_link_03"), Element(value="Attribute_name_link"))
+    ctx.retype_element(Element(value="Attribute_optional_link_03"), Element(value="Attribute_optional_link"))
+    ctx.retype_element(Element(value="Attribute_name_link_04"), Element(value="Attribute_name_link"))
+    ctx.retype_element(Element(value="Attribute_optional_link_04"), Element(value="Attribute_optional_link"))
+    ctx.retype_element(Element(value="Attribute_name_link_05"), Element(value="Attribute_name_link"))
+    ctx.retype_element(Element(value="Attribute_optional_link_05"), Element(value="Attribute_optional_link"))
+    ctx.retype_element(Element(value="Attribute_name_link_06"), Element(value="Attribute_name_link"))
+    ctx.retype_element(Element(value="Attribute_optional_link_06"), Element(value="Attribute_optional_link"))
+    ctx.retype_element(Element(value="Attribute_name_link_07"), Element(value="Attribute_name_link"))
+    ctx.retype_element(Element(value="Attribute_optional_link_07"), Element(value="Attribute_optional_link"))
+    ctx.retype_element(Element(value="Attribute_name_link_08"), Element(value="Attribute_name_link"))
+    ctx.retype_element(Element(value="Attribute_optional_link_08"), Element(value="Attribute_optional_link"))
+
+    return Element(id=scd)
diff --git a/core/context/simple_class_diagrams.py b/core/context/simple_class_diagrams.py
index fcfc41f..c013862 100644
--- a/core/context/simple_class_diagrams.py
+++ b/core/context/simple_class_diagrams.py
@@ -1,5 +1,5 @@
 from core.element import Element
-from state.base import State, STRING, INTEGER, BOOLEAN, TYPE
+from state.base import State
 from core.context.generic import GenericContext
 
 
@@ -7,167 +7,6 @@ class SCDContext(GenericContext):
     def __init__(self, state: State, model: Element, metamodel: Element):
         super().__init__(state, model, metamodel)
 
-    def _bootstrap_scd(self) -> Element:
-
-        scd = self.state.create_nodevalue("SimpleClassDiagrams")
-        self.state.create_dict(self.state.read_root(), "SimpleClassDiagrams", scd)
-        self.state.create_dict(scd, "Model", self.state.create_node())
-        self.state.create_dict(scd, "Metamodel", scd)
-        super().__init__(self.state, Element(id=scd), Element(id=scd))
-
-        # Classes --> elements that will be typed by Class
-        self.bottom.add_node(Element(value="Element"))
-        self.bottom.add_node(Element(value="Class"))
-        self.bottom.add_value(Element(value="Attribute"), Element(value=TYPE))
-
-        # Associations --> elements that will be typed by Association
-        self.bottom.add_edge(Element(value="Association"), Element(value="Class"), Element(value="Class"))
-        self.bottom.add_edge(Element(value="Inheritance"), Element(value="Element"), Element(value="Element"))
-        self.bottom.add_edge(Element(value="AttributeLink"), Element(value="Element"), Element(value="Attribute"))
-
-        # Attributes --> elements that will be typed by Attribute
-        self.bottom.add_value(Element(value="Class_lower_cardinality"), Element(value=INTEGER))
-        self.bottom.add_value(Element(value="Class_upper_cardinality"), Element(value=INTEGER))
-
-        self.bottom.add_value(Element(value="Association_source_lower_cardinality"), Element(value=INTEGER))
-        self.bottom.add_value(Element(value="Association_source_upper_cardinality"), Element(value=INTEGER))
-        self.bottom.add_value(Element(value="Association_target_lower_cardinality"), Element(value=INTEGER))
-        self.bottom.add_value(Element(value="Association_target_upper_cardinality"), Element(value=INTEGER))
-
-        self.bottom.add_value(Element(value="Attribute_name"), Element(value=STRING))
-        self.bottom.add_value(Element(value="Attribute_optional"), Element(value=BOOLEAN))
-
-        # Attribute instances --> elements that will be typed by one of the Attributes defined above
-        self.bottom.add_value(Element(value="Attribute_name.name"), Element(value="name"))
-        self.bottom.add_value(Element(value="Attribute_name.optional"), Element(value=False))
-        self.bottom.add_value(Element(value="Attribute_optional.name"), Element(value="optional"))
-        self.bottom.add_value(Element(value="Attribute_optional.optional"), Element(value=False))
-
-        self.bottom.add_value(Element(value="Class_lower_cardinality.name"), Element(value="lower_cardinality"))
-        self.bottom.add_value(Element(value="Class_lower_cardinality.optional"), Element(value=True))
-        self.bottom.add_value(Element(value="Class_upper_cardinality.name"), Element(value="upper_cardinality"))
-        self.bottom.add_value(Element(value="Class_upper_cardinality.optional"), Element(value=True))
-
-        self.bottom.add_value(Element(value="Association_source_lower_cardinality.name"), Element(value="source_lower_cardinality"))
-        self.bottom.add_value(Element(value="Association_source_lower_cardinality.optional"), Element(value=True))
-        self.bottom.add_value(Element(value="Association_source_upper_cardinality.name"), Element(value="source_upper_cardinality"))
-        self.bottom.add_value(Element(value="Association_source_upper_cardinality.optional"), Element(value=True))
-
-        self.bottom.add_value(Element(value="Association_target_lower_cardinality.name"), Element(value="target_lower_cardinality"))
-        self.bottom.add_value(Element(value="Association_target_lower_cardinality.optional"), Element(value=True))
-        self.bottom.add_value(Element(value="Association_target_upper_cardinality.name"), Element(value="target_upper_cardinality"))
-        self.bottom.add_value(Element(value="Association_target_upper_cardinality.optional"), Element(value=True))
-
-        # Inheritance instances --> elements that will be typed by Inheritance
-        self.bottom.add_edge(Element(value="class_inh_element"), Element(value="Class"), Element(value="Element"))
-        self.bottom.add_edge(Element(value="attribute_inh_element"), Element(value="Attribute"), Element(value="Element"))
-        self.bottom.add_edge(Element(value="association_inh_element"), Element(value="Association"), Element(value="Element"))
-        self.bottom.add_edge(Element(value="attributelink_inh_element"), Element(value="AttributeLink"), Element(value="Element"))
-
-        # AttributeLinks --> elements that will be typed by AttributeLink
-        self.bottom.add_edge(Element(value="Class_attr01"), Element(value="Class"), Element(value="Class_lower_cardinality"))
-        self.bottom.add_edge(Element(value="Class_attr02"), Element(value="Class"), Element(value="Class_upper_cardinality"))
-
-        self.bottom.add_edge(Element(value="Association_attr01"), Element(value="Association"), Element(value="Association_source_lower_cardinality"))
-        self.bottom.add_edge(Element(value="Association_attr02"), Element(value="Association"), Element(value="Association_source_upper_cardinality"))
-        self.bottom.add_edge(Element(value="Association_attr03"), Element(value="Association"), Element(value="Association_target_lower_cardinality"))
-        self.bottom.add_edge(Element(value="Association_attr04"), Element(value="Association"), Element(value="Association_target_upper_cardinality"))
-
-        self.bottom.add_edge(Element(value="Attribute_name_link"), Element(value="Attribute"), Element(value="Attribute_name"))
-        self.bottom.add_edge(Element(value="Attribute_optional_link"), Element(value="Attribute"), Element(value="Attribute_optional"))
-
-        # AttributeLink instances --> elements that will be typed by one of the AttributeLink defined above
-        self.bottom.add_edge(Element(value="Attribute_name_link_01"), Element(value="Attribute_name"), Element(value="Attribute_name.name"))
-        self.bottom.add_edge(Element(value="Attribute_optional_link_01"), Element(value="Attribute_name"), Element(value="Attribute_name.optional"))
-        self.bottom.add_edge(Element(value="Attribute_name_link_02"), Element(value="Attribute_optional"), Element(value="Attribute_optional.name"))
-        self.bottom.add_edge(Element(value="Attribute_optional_link_02"), Element(value="Attribute_optional"), Element(value="Attribute_optional.optional"))
-
-        self.bottom.add_edge(Element(value="Attribute_name_link_03"), Element(value="Class_lower_cardinality"), Element(value="Class_lower_cardinality.name"))
-        self.bottom.add_edge(Element(value="Attribute_optional_link_03"), Element(value="Class_lower_cardinality"), Element(value="Class_lower_cardinality.optional"))
-        self.bottom.add_edge(Element(value="Attribute_name_link_04"), Element(value="Class_upper_cardinality"), Element(value="Class_upper_cardinality.name"))
-        self.bottom.add_edge(Element(value="Attribute_optional_link_04"), Element(value="Class_upper_cardinality"), Element(value="Class_upper_cardinality.optional"))
-
-        self.bottom.add_edge(Element(value="Attribute_name_link_05"), Element(value="Association_source_lower_cardinality"), Element(value="Association_source_lower_cardinality.name"))
-        self.bottom.add_edge(Element(value="Attribute_optional_link_05"), Element(value="Association_source_lower_cardinality"), Element(value="Association_source_lower_cardinality.optional"))
-        self.bottom.add_edge(Element(value="Attribute_name_link_06"), Element(value="Association_source_upper_cardinality"), Element(value="Association_source_upper_cardinality.name"))
-        self.bottom.add_edge(Element(value="Attribute_optional_link_06"), Element(value="Association_source_upper_cardinality"), Element(value="Association_source_upper_cardinality.optional"))
-
-        self.bottom.add_edge(Element(value="Attribute_name_link_07"), Element(value="Association_target_lower_cardinality"), Element(value="Association_target_lower_cardinality.name"))
-        self.bottom.add_edge(Element(value="Attribute_optional_link_07"), Element(value="Association_target_lower_cardinality"), Element(value="Association_target_lower_cardinality.optional"))
-        self.bottom.add_edge(Element(value="Attribute_name_link_08"), Element(value="Association_target_upper_cardinality"), Element(value="Association_target_upper_cardinality.name"))
-        self.bottom.add_edge(Element(value="Attribute_optional_link_08"), Element(value="Association_target_upper_cardinality"), Element(value="Association_target_upper_cardinality.optional"))
-
-        """
-        Retype the elements of the model.
-        This way we make the model "metacircular".
-        """
-        self.retype_element(Element(value="Element"), Element(value="Class"))
-        self.retype_element(Element(value="Class"), Element(value="Class"))
-        self.retype_element(Element(value="Attribute"), Element(value="Class"))
-
-        self.retype_element(Element(value="Association"), Element(value="Association"))
-        self.retype_element(Element(value="Inheritance"), Element(value="Association"))
-        self.retype_element(Element(value="AttributeLink"), Element(value="Association"))
-
-        self.retype_element(Element(value="Class_lower_cardinality"), Element(value="Attribute"))
-        self.retype_element(Element(value="Class_upper_cardinality"), Element(value="Attribute"))
-        self.retype_element(Element(value="Association_source_lower_cardinality"), Element(value="Attribute"))
-        self.retype_element(Element(value="Association_source_upper_cardinality"), Element(value="Attribute"))
-        self.retype_element(Element(value="Association_target_lower_cardinality"), Element(value="Attribute"))
-        self.retype_element(Element(value="Association_target_upper_cardinality"), Element(value="Attribute"))
-        self.retype_element(Element(value="Attribute_name"), Element(value="Attribute"))
-        self.retype_element(Element(value="Attribute_optional"), Element(value="Attribute"))
-
-        self.retype_element(Element(value="Class_attr01"), Element(value="AttributeLink"))
-        self.retype_element(Element(value="Class_attr02"), Element(value="AttributeLink"))
-        self.retype_element(Element(value="Association_attr01"), Element(value="AttributeLink"))
-        self.retype_element(Element(value="Association_attr02"), Element(value="AttributeLink"))
-        self.retype_element(Element(value="Association_attr03"), Element(value="AttributeLink"))
-        self.retype_element(Element(value="Association_attr04"), Element(value="AttributeLink"))
-        self.retype_element(Element(value="Attribute_name_link"), Element(value="AttributeLink"))
-        self.retype_element(Element(value="Attribute_optional_link"), Element(value="AttributeLink"))
-
-        self.retype_element(Element(value="class_inh_element"), Element(value="Inheritance"))
-        self.retype_element(Element(value="attribute_inh_element"), Element(value="Inheritance"))
-        self.retype_element(Element(value="association_inh_element"), Element(value="Inheritance"))
-        self.retype_element(Element(value="attributelink_inh_element"), Element(value="Inheritance"))
-
-        self.retype_element(Element(value="Attribute_name.name"), Element(value="Attribute_name"))
-        self.retype_element(Element(value="Attribute_name.optional"),Element(value="Attribute_optional"))
-        self.retype_element(Element(value="Attribute_optional.name"), Element(value="Attribute_name"))
-        self.retype_element(Element(value="Attribute_optional.optional"), Element(value="Attribute_optional"))
-        self.retype_element(Element(value="Class_lower_cardinality.name"), Element(value="Attribute_name"))
-        self.retype_element(Element(value="Class_lower_cardinality.optional"), Element(value="Attribute_optional"))
-        self.retype_element(Element(value="Class_upper_cardinality.name"), Element(value="Attribute_name"))
-        self.retype_element(Element(value="Class_upper_cardinality.optional"), Element(value="Attribute_optional"))
-        self.retype_element(Element(value="Association_source_lower_cardinality.name"), Element(value="Attribute_name"))
-        self.retype_element(Element(value="Association_source_lower_cardinality.optional"), Element(value="Attribute_optional"))
-        self.retype_element(Element(value="Association_source_upper_cardinality.name"), Element(value="Attribute_name"))
-        self.retype_element(Element(value="Association_source_upper_cardinality.optional"), Element(value="Attribute_optional"))
-        self.retype_element(Element(value="Association_target_lower_cardinality.name"), Element(value="Attribute_name"))
-        self.retype_element(Element(value="Association_target_lower_cardinality.optional"), Element(value="Attribute_optional"))
-        self.retype_element(Element(value="Association_target_upper_cardinality.name"), Element(value="Attribute_name"))
-        self.retype_element(Element(value="Association_target_upper_cardinality.optional"), Element(value="Attribute_optional"))
-
-        self.retype_element(Element(value="Attribute_name_link_01"), Element(value="Attribute_name_link"))
-        self.retype_element(Element(value="Attribute_optional_link_01"), Element(value="Attribute_optional_link"))
-        self.retype_element(Element(value="Attribute_name_link_02"), Element(value="Attribute_name_link"))
-        self.retype_element(Element(value="Attribute_optional_link_02"), Element(value="Attribute_optional_link"))
-        self.retype_element(Element(value="Attribute_name_link_03"), Element(value="Attribute_name_link"))
-        self.retype_element(Element(value="Attribute_optional_link_03"), Element(value="Attribute_optional_link"))
-        self.retype_element(Element(value="Attribute_name_link_04"), Element(value="Attribute_name_link"))
-        self.retype_element(Element(value="Attribute_optional_link_04"), Element(value="Attribute_optional_link"))
-        self.retype_element(Element(value="Attribute_name_link_05"), Element(value="Attribute_name_link"))
-        self.retype_element(Element(value="Attribute_optional_link_05"), Element(value="Attribute_optional_link"))
-        self.retype_element(Element(value="Attribute_name_link_06"), Element(value="Attribute_name_link"))
-        self.retype_element(Element(value="Attribute_optional_link_06"), Element(value="Attribute_optional_link"))
-        self.retype_element(Element(value="Attribute_name_link_07"), Element(value="Attribute_name_link"))
-        self.retype_element(Element(value="Attribute_optional_link_07"), Element(value="Attribute_optional_link"))
-        self.retype_element(Element(value="Attribute_name_link_08"), Element(value="Attribute_name_link"))
-        self.retype_element(Element(value="Attribute_optional_link_08"), Element(value="Attribute_optional_link"))
-
-        return Element(id=scd)
-
 
 def main():
     from state.devstate import DevState