private void InitXmlDocument(XmlDeclarationElementCreator declarationElementCreator,XmiDocumentElementCreator documentElementCreator)
 {
     declarationElementCreator.CreateXmlDeclarationElement();
     documentElementCreator.CreateXmiDocumentElement();
 }
 // Creates a XML-document with the according Document-Element
 public virtual XmlDocument CreateXmlDocument()
 {
     xmiDocument= new XmlDocument();
     XmlDeclarationElementCreator declarationElementCreator=new XmlDeclarationElementCreator(xmiDocument);
     XmiDocumentElementCreator documentElementCreator= new XmiDocumentElementCreator(xmiDocument);
     InitXmlDocument(declarationElementCreator,documentElementCreator);
     return xmiDocument;
 }