anchor.diff:    """A unique identifier for the client performing the mutation."""
     clientMutationId: String
   
  -  """The deleted column ID."""
  +  """
  +  The deleted column ID.
  +  
  +  **Upcoming Change on 2019-01-01 UTC**
  +  **Description:** Type for `deletedColumnId` will change from `ID!` to `ID`.
  +  **Reason:** In preparation for an upcoming change to the way we report
  +  mutation errors, non-nullable payload fields are becoming nullable.
  +  
  +  """
     deletedColumnId: ID!
   
  -  """The project the deleted column was in."""
  +  """
  +  The project the deleted column was in.
  +  
  +  **Upcoming Change on 2019-01-01 UTC**
  +  **Description:** Type for `project` will change from `Project!` to `Project`.
  +  **Reason:** In preparation for an upcoming change to the way we report
  +  mutation errors, non-nullable payload fields are becoming nullable.
  +  
  +  """
     project: Project!
   }
   
  
positive.code: 
  """Autogenerated return type of AddProjectCard"""
  type AddProjectCardPayload {
    """The edge from the ProjectColumn's card connection."""
    cardEdge: ProjectCardEdge!
  
    """A unique identifier for the client performing the mutation."""
    clientMutationId: String
  
    """The ProjectColumn"""
    projectColumn: Project!
  }
  
  
negative.code:   """A unique identifier for the client performing the mutation."""
    clientMutationId: String
  
    """
    The new edge of the moved column.
    
    **Upcoming Change on 2019-01-01 UTC**
    **Description:** Type for `columnEdge` will change from `ProjectColumnEdge!` to `ProjectColumnEdge`.
    **Reason:** In preparation for an upcoming change to the way we report
    mutation errors, non-nullable payload fields are becoming nullable.
    
    """
    columnEdge: ProjectColumnEdge!
  }
  
  