import { ClassConstructor } from 'class-transformer';
export declare enum Environment {
    Local = "local",
    Development = "dev",
    Production = "prod",
    Staging = "stg"
}
export declare class EnvironmentVariables {
    NODE_ENV: Environment;
    APP_NAME: string;
    APP_PORT: number;
    EVENT_SOURCE_DISABLED: boolean;
    LOG_LEVEL: string;
    DYNAMODB_ENDPOINT: string;
    DYNAMODB_REGION: string;
    ATTRIBUTE_LIMIT_SIZE: number;
    S3_ENDPOINT: string;
    S3_REGION: string;
    S3_BUCKET_NAME: string;
    SFN_ENDPOINT: string;
    SFN_REGION: string;
    SFN_COMMAND_ARN: string;
    SNS_ENDPOINT: string;
    SNS_REGION: string;
    APPSYNC_ENDPOINT: string;
    SES_ENDPOINT: string;
    SES_REGION: string;
    SES_FROM_EMAIL: string;
}
export declare function getValidateConfig<T extends EnvironmentVariables>(cls?: ClassConstructor<T>): (config: Record<string, unknown>) => EnvironmentVariables;