@type t() ::
  %ArchAstro.Types.Operations.GetApiV1KnowledgeSources.Response.Nested.DataItem{
    agent: String.t() | ArchAstro.Unset.t(),
    context_installation: String.t() | ArchAstro.Unset.t(),
    created_at: DateTime.t() | ArchAstro.Unset.t(),
    id: String.t(),
    metadata:
      %{optional(String.t()) => ArchAstro.JSON.t()} | ArchAstro.Unset.t(),
    org: String.t() | ArchAstro.Unset.t(),
    parent_source: String.t() | ArchAstro.Unset.t(),
    payload:
      %{optional(String.t()) => ArchAstro.JSON.t()} | ArchAstro.Unset.t(),
    sandbox: String.t() | ArchAstro.Unset.t(),
    state: String.t(),
    team: String.t() | ArchAstro.Unset.t(),
    thread: String.t() | ArchAstro.Unset.t(),
    type: String.t(),
    updated_at: DateTime.t() | ArchAstro.Unset.t(),
    user: String.t() | ArchAstro.Unset.t()
  }