anchor.diff:      The DataPlatform Entity
       """
       DATA_PLATFORM
  +    """
  +    The Dashboard Entity
  +    """
  +    DASHBOARD
  +    """
  +    The Chart Entity
  +    """
  +    CHART
   }
   
   type Query {
  
positive.code:     The time at which this metadata was created
      """
      createdAt: Long
  }
negative.code:     """
      Update to ownership
      """
      ownership: OwnershipUpdate
  
      """
      Update to deprecation status
      """
      deprecation: DatasetDeprecationUpdate
  
      """
      Update to institutional memory, ie documentation
  