@type t() :: %Procore.Model.RestV10WorkflowActivityHistoriesGet200ResponseInner{
  attachments: [String.t()] | nil,
  bic_duration: String.t() | nil,
  bic_end: DateTime.t() | nil,
  bic_start: DateTime.t() | nil,
  comments: String.t() | nil,
  created_at: DateTime.t() | nil,
  id: integer() | nil,
  performed_by_id: integer() | nil,
  performed_by_name: String.t() | nil,
  updated_at: DateTime.t() | nil,
  workflow_activity_id: integer() | nil,
  workflow_activity_name: String.t() | nil,
  workflow_instance_id: integer() | nil,
  workflow_state_id: integer() | nil,
  workflow_state_name: String.t() | nil,
  workflow_user_role_id: integer() | nil,
  workflow_user_role_name: String.t() | nil
}