BufferUpdateHint
        
        Description:
        public enum BufferUpdateHint
        
        
          The update hint on a buffer allows the user to give some detail on how often the buffer data is going to be updated.
         
        
        
        Content:
        Enum values:
        
          - STATIC - the buffer will not change 
              over time
- DYNAMIC - the buffer will change from
               time to time
- STREAM - the buffer will be used once 
              or a couple of  times