can [:create, :update, :upload, :close, :subscribe, :unsubscribe, :expand_bbox], Changeset
can :create, ChangesetComment
can [:create, :update, :delete], Node
can [:create, :update, :upload, :close, :subscribe, :unsubscribe, :expand_bbox], Changeset
can :create, ChangesetComment
can [:create, :update, :delete], Node