anchor.diff:  }
   
   # Represents a Milestone object on a given repository.
  -type Milestone implements Node, UniformResourceLocatable {
  +type Milestone implements Closable, Node, UniformResourceLocatable {
  +  # `true` if the object is closed (definition of closed may depend on type)
  +  closed: Boolean!
  +
  +  # Identifies the date and time when the object was closed.
  +  closedAt: DateTime
  +
  +  # Identifies the date and time when the object was created.
  +  createdAt: DateTime!
  +
     # Identifies the actor who created the milestone.
     creator: Actor
   
  
positive.code:   createdAt: DateTime!
  
    # Identifies the primary key from the database.
    databaseId: Int @deprecated(reason: "Exposed database IDs will eventually be removed in favor of global Relay IDs.")
  
    # The deployment associated with the 'deployed' event.
    deployment: Deployment!
  
negative.code: }
  
  # Projects manage issues, pull requests and notes within a project owner.
  type Project implements Closable, Node, Updatable {
    # The project's description body.
    body: String
  
    # The projects description body rendered to HTML.
    bodyHTML: HTML!
  
    # `true` if the object is closed (definition of closed may depend on type)
    closed: Boolean!
  
    # Identifies the date and time when the object was closed.
    closedAt: DateTime
  
    # List of columns in the project
  