@type t() :: %DocuSign.Model.BulkSendResponse{
  batchId: String.t() | nil,
  batchName: String.t() | nil,
  batchSize: String.t() | nil,
  envelopeOrTemplateId: String.t() | nil,
  errorDetails: [String.t()] | nil,
  errors: [String.t()] | nil,
  queueLimit: String.t() | nil,
  totalQueued: String.t() | nil
}