Readonly regions
regions: ("af-south-1" | "ap-east-1" | "ap-south-1" | "ap-south-2" | "ap-southeast-1" | "ap-southeast-2" | "ap-southeast-3" | "ap-northeast-1" | "ap-northeast-2" | "ap-northeast-3" | "ca-central-1" | "eu-central-1" | "eu-central-2" | "eu-west-1" | "eu-west-2" | "eu-west-3" | "eu-north-1" | "eu-south-1" | "eu-south-2" | "me-central-1" | "me-south-1" | "sa-east-1" | "us-east-1" | "us-east-2" | "us-west-1" | "us-west-2" | "cn-north-1" | "cn-northwest-1" | "us-gov-west-1" | "us-gov-east-1" | "us-iso-east-1" | "us-iso-west-1" | "us-isob-east-1" | "ap-southeast-4" | "il-central-1" | "ca-west-1")[] = []