@type t() :: %Docspring.Model.Submission{
  actions: [Docspring.Model.SubmissionAction.t()],
  batch_id: String.t() | nil,
  created_at: DateTime.t(),
  data: %{optional(String.t()) => any()} | nil,
  data_errors: [Docspring.Model.ErrorDetail.t()],
  editable: boolean(),
  error_message: String.t() | nil,
  expired: boolean(),
  expires_at: DateTime.t() | nil,
  files: Docspring.Model.SubmissionFiles.t(),
  has_password: boolean(),
  id: String.t(),
  metadata: %{optional(String.t()) => any()},
  output_formats: [Docspring.Model.OutputFormat.t()],
  preview_generated_at: DateTime.t() | nil,
  processed_at: DateTime.t() | nil,
  signature_requests: [Docspring.Model.SignatureRequest.t()],
  source: Docspring.Model.SubmissionSource.t(),
  state: Docspring.Model.SubmissionState.t(),
  template_id: String.t() | nil,
  template_type: Docspring.Model.TemplateType.t(),
  template_version: String.t() | nil,
  test: boolean(),
  truncated_text: %{optional(String.t()) => [String.t()]} | nil,
  updated_at: DateTime.t()
}