@type t() :: %Procore.Model.IncidentWitnessStatementUpdateParameters1{
  "custom_field_%{custom_field_definition_id}":
    Procore.Model.WorkOrderContractCustomFieldCustomFieldDefinitionId.t() | nil,
  date_received: Date.t() | nil,
  statement: String.t() | nil,
  witness_id: integer() | nil
}