@type t() ::
  %ArchAstro.Types.Operations.GetApiV1ActivityFeed.Response.Nested.DataItem{
    agent:
      String.t()
      | ArchAstro.Types.Operations.GetApiV1ActivityFeed.Response.Nested.DataItemAgentVariant2.t()
      | ArchAstro.Unset.t(),
    app: String.t() | ArchAstro.Unset.t(),
    attachments:
      [%{optional(String.t()) => ArchAstro.JSON.t()}] | ArchAstro.Unset.t(),
    automation_run: String.t() | ArchAstro.Unset.t(),
    content: String.t() | ArchAstro.Unset.t(),
    correlation_id: String.t() | ArchAstro.Unset.t(),
    created_at: DateTime.t() | ArchAstro.Unset.t(),
    id: String.t(),
    kind: String.t() | ArchAstro.Unset.t(),
    level: String.t() | ArchAstro.Unset.t(),
    metadata:
      %{optional(String.t()) => ArchAstro.JSON.t()} | ArchAstro.Unset.t(),
    org: String.t() | ArchAstro.Unset.t(),
    routine_run: String.t() | ArchAstro.Unset.t(),
    sandbox: String.t() | ArchAstro.Unset.t(),
    session_record: String.t() | ArchAstro.Unset.t(),
    team: String.t() | ArchAstro.Unset.t(),
    thread: String.t() | ArchAstro.Unset.t(),
    title: String.t() | ArchAstro.Unset.t(),
    updated_at: DateTime.t() | ArchAstro.Unset.t(),
    user:
      String.t()
      | ArchAstro.Types.Operations.GetApiV1ActivityFeed.Response.Nested.DataItemUserVariant2.t()
      | ArchAstro.Unset.t()
  }