query groupMilestones(
  $fullPath: ID!
  $state: MilestoneStateEnum
  $includeAncestors: Boolean
  $searchTitle: String
) {
  project(fullPath: $fullPath) {
    milestones(state: $state, includeAncestors: $includeAncestors, searchTitle: $searchTitle) {
      edges {
        node {
          id
          title
        }
      }
    }
  }
}