import type { AwsLayer } from './hosted-layers';
export declare const validateRuntimePreference: (option: unknown) => void;
export declare const getLayers: ({ option, region, }: {
    option: "apple-emojis" | "cjk" | "default";
    region: "af-south-1" | "ap-east-1" | "ap-northeast-1" | "ap-northeast-2" | "ap-northeast-3" | "ap-south-1" | "ap-southeast-1" | "ap-southeast-2" | "ap-southeast-4" | "ap-southeast-5" | "ca-central-1" | "eu-central-1" | "eu-central-2" | "eu-north-1" | "eu-south-1" | "eu-west-1" | "eu-west-2" | "eu-west-3" | "sa-east-1" | "us-east-1" | "us-east-2" | "us-west-1" | "us-west-2";
}) => AwsLayer[];