@type t() ::
  %Procore.Model.RestV10RequisitionsRequisitionIdChangeHistoriesGet200ResponseInner{
    action_by: String.t() | nil,
    action_by_id: integer() | nil,
    column: String.t() | nil,
    created_at: DateTime.t() | nil,
    id: integer() | nil,
    new_value: String.t() | nil,
    old_value: String.t() | nil,
    ref_id: integer() | nil,
    ref_type: String.t() | nil
  }