Model Type Definition
                The Model Type definition XML is stored in the Model Description property of a Model Type. 
                XML Element Structure
                <MODELTYPE> 
                
                </MODELTYPE> 
                   
                XML Tag details (alphabetical list)
                  
                ADDITIONALMAPPINGINFO
                
                   
                ATTRIBUTE
                
                    
                MODELTYPE
                
                    Definition 
                    
                    Contains 
                    
                        (NODEMAPPING+, RELMAPPING*) 
                     
                 
                    
                NODEMAPPING
                
                    
                NODETYPEATTRIBUTE
                
                   
                NODETYPEATTRIBUTES
                
                    
                RELMAPPING
                
                   
                RELTYPE
                
                    
                  
                RELTYPEATTRIBUTE
                
                    
                RELTYPEATTRIBUTES
                
                    
                  
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