@type t() ::
  %ArchAstro.Types.Operations.GetApiV1KnowledgeDocuments.Response.Nested.DataItem{
    agent: String.t() | ArchAstro.Unset.t(),
    content_hash: String.t() | ArchAstro.Unset.t(),
    created_at: DateTime.t() | ArchAstro.Unset.t(),
    file: String.t() | ArchAstro.Unset.t(),
    id: String.t(),
    metadata:
      %{optional(String.t()) => ArchAstro.JSON.t()} | ArchAstro.Unset.t(),
    source: String.t() | ArchAstro.Unset.t(),
    team: String.t() | ArchAstro.Unset.t(),
    title: String.t() | ArchAstro.Unset.t(),
    total_lines: integer() | ArchAstro.Unset.t(),
    total_size: integer() | ArchAstro.Unset.t(),
    updated_at: DateTime.t() | ArchAstro.Unset.t(),
    user: String.t() | ArchAstro.Unset.t()
  }