Routine
final case class Routine(etag: Option[String], lastModifiedTime: Option[FiniteDuration], description: Option[String], returnTableType: Option[StandardSqlTableType], routineType: Option["ROUTINE_TYPE_UNSPECIFIED" | "SCALAR_FUNCTION" | "PROCEDURE" | "TABLE_VALUED_FUNCTION"], definitionBody: Option[String], language: Option["LANGUAGE_UNSPECIFIED" | "SQL" | "JAVASCRIPT"], strictMode: Option[Boolean], returnType: Option[StandardSqlDataType], importedLibraries: Option[List[String]], routineReference: Option[RoutineReference], determinismLevel: Option["DETERMINISM_LEVEL_UNSPECIFIED" | "DETERMINISTIC" | "NOT_DETERMINISTIC"], creationTime: Option[FiniteDuration], arguments: Option[List[Argument]])