gitlab-org--gitlab-foss/app/assets/javascripts/boards/queries/board.mutation.graphql

mutation UpdateBoard($id: ID!, $hideClosedList: Boolean, $hideBacklogList: Boolean) {
  updateBoard(
    input: { id: $id, hideClosedList: $hideClosedList, hideBacklogList: $hideBacklogList }
  ) {
    board {
      id
      hideClosedList
      hideBacklogList
    }
  }
}