@type t() :: %Gleanex.Indexing.BulkIndexMembershipsRequest{
  datasource: String.t(),
  forceRestartUpload: boolean() | nil,
  group: String.t() | nil,
  isFirstPage: boolean() | nil,
  isLastPage: boolean() | nil,
  memberships: [Gleanex.Indexing.DatasourceBulkMembershipDefinition.t()],
  uploadId: String.t()
}