<folder name="Parameters" group_type="Parameters" icon=":pictures/params_folder.png"
folder_features="ParametersMgr"/>
<folder name="Constructions" group_type="Construction" icon=":pictures/constr_folder.png"/>
<folder name="Parameters" group_type="Parameters" icon=":pictures/params_folder.png"
folder_features="ParametersMgr"/>
<folder name="Constructions" group_type="Construction" icon=":pictures/constr_folder.png"/>