import type { HostPort } from '@balena/env-parsing';
export declare let version: string;
export declare function setVersion(v: typeof version): void;
export declare enum ADVISORY_LOCK_NAMESPACES {
    release__revision__belongs_to__application = 1
}
export declare const API_HOST: string;
export declare const PORT: number;
export declare const API_HEARTBEAT_STATE_ENABLED: number;
export declare let API_HEARTBEAT_STATE_TIMEOUT_SECONDS: number;
/**
 * null:do not update the DB's device heartbeat to Online, if Redis says it's already Online
 * 0: always run DB device heartbeat updates to Online
 * >0: always persist an Online device heartbeat to the DB after N ms, even if the write cache is already Online.
 *   ie: only use the Redis write cache Online-ness for up to N ms and skip updating the DB to Online during that period.
 */
export declare let API_HEARTBEAT_STATE_ONLINE_UPDATE_CACHE_TIMEOUT: number | null;
export declare const API_VPN_SERVICE_API_KEY: string;
export declare const VPN_CONNECT_PROXY_PORT: number;
export declare let ASYNC_TASKS_ENABLED: boolean;
export declare const AUTH_RESINOS_REGISTRY_CODE: string | undefined;
export declare const COOKIE_SESSION_SECRET: string;
/**
 * null: include all device type and device contract slugs
 * "x;y;z": include only the specified device type and contract slugs - note that you MUST list
 *          all dependent slugs as well so for hw.device-type/asus-tinker-board-s you would need:
 *          `arch.sw/armv7hf;hw.device-manufacturer/asus;hw.device-family/tinkerboard;hw.device-type/asus-tinker-board-s`
 * 		    For something like hw.device-type/iot-gate-imx8 you would need:
 * 			`arch.sw/aarch64;hw.device-type/iot-gate-imx8`
 *          (the order of the slugs in this variable does not matter)
 */
export declare const CONTRACT_ALLOWLIST: Set<string>;
export declare const CONTRACTS_PUBLIC_REPO_OWNER: string;
export declare const CONTRACTS_PUBLIC_REPO_NAME: string;
export declare const CONTRACTS_PUBLIC_REPO_BRANCH: string | undefined;
export declare const CONTRACTS_PRIVATE_REPO_OWNER: string | undefined;
export declare const CONTRACTS_PRIVATE_REPO_NAME: string | undefined;
export declare const CONTRACTS_PRIVATE_REPO_BRANCH: string | undefined;
export declare const CONTRACTS_PRIVATE_REPO_TOKEN: string | undefined;
export declare const DB_POOL_SIZE: number | undefined;
export declare const DB_STATEMENT_TIMEOUT: number;
export declare const DB_QUERY_TIMEOUT: number;
export declare const DB_PREPARE_AFTER_N: number | boolean;
export declare const DELTA_HOST: string;
export declare const FILES_HOST: string;
export declare const DEVICE_CONFIG_OPENVPN_CA: string;
export declare const VPN_UDP_HOST: string | undefined;
export declare const VPN_HOST: string;
export declare const VPN_PORT: string;
export declare const DEVICE_CONFIG_OPENVPN_CONFIG: string;
export declare const DEVICE_CONFIG_SSH_AUTHORIZED_KEYS: string;
export declare const EXTERNAL_HTTP_TIMEOUT_MS: number;
export declare const IMAGE_STORAGE_BUCKET: string;
export declare const IMAGE_STORAGE_ENDPOINT: string;
export declare const IMAGE_STORAGE_PREFIX: string;
export declare const IMAGE_STORAGE_ACCESS_KEY: string | undefined;
export declare const IMAGE_STORAGE_SECRET_KEY: string | undefined;
export declare const IMAGE_STORAGE_FORCE_PATH_STYLE: boolean;
export declare const IMAGE_STORAGE_DEBUG_REQUEST_ERRORS: boolean;
export declare const JSON_WEB_TOKEN_EXPIRY_MINUTES: number;
export declare const JSON_WEB_TOKEN_SECRET: string;
export declare const JSON_WEB_TOKEN_LIMIT_EXPIRY_REFRESH: boolean;
export declare const LOGS_HOST: string | undefined;
export declare const MIXPANEL_TOKEN: string;
export declare const NODE_ENV: string | undefined;
export declare const NODE_EXTRA_CA_CERTS: string | undefined;
export declare const RATE_LIMIT_FACTOR: number;
export declare const RATE_LIMIT_MEMORY_BACKEND: string | undefined;
type RedisAuth = {
    username?: string;
    password?: string;
};
type RedisOpts = {
    isCluster: true;
    hosts: HostPort[];
    auth: RedisAuth;
} | {
    isCluster: false;
    host: HostPort;
    auth: RedisAuth;
    roHost: HostPort;
    roAuth: RedisAuth;
};
export declare const REDIS: {
    general: {
        isCluster: false;
        host: HostPort;
        auth: RedisAuth;
        roHost: HostPort;
        roAuth: RedisAuth;
    };
    logs: RedisOpts;
};
export declare const REDIS_LOGS_SHARDED_PUBSUB: boolean;
export declare const REDIS_LOGS_COMPRESSION_ENABLED: boolean;
export declare const LOKI_INGESTER_HOST: string | undefined;
export declare const LOKI_QUERY_HOST: string | undefined;
export declare const LOKI_INGESTER_GRPC_PORT: number;
export declare const LOKI_QUERY_HTTP_PORT: number;
export declare const LOKI_HISTORY_GZIP: boolean;
export declare const LOKI_HISTORY_TIMEOUT: number;
export declare const LOKI_GRPC_SEND_GZIP: boolean;
export declare const LOKI_GRPC_RECEIVE_COMPRESSION_LEVEL: number;
export declare const LOKI_WRITE_PCT: number;
/**
 * This is the percent of log read requests that will go to loki, however the number of logs fetched from loki
 * will vary based upon the type of those read requests, eg it could be a long streaming request or a one-off fetch
 */
export declare const LOKI_READ_PCT: number;
export declare const LOGS_LOKI_ENABLED: boolean;
export declare const LOKI_RETRIES_ENABLED: boolean;
export declare const LOKI_PUSH_TIMEOUT: number;
export declare const LOGS_REDIS_WRITE_PCT: number;
/**
 * This is the percent of log read requests that will go to redis, however the number of logs fetched from redis
 * will vary based upon the type of those read requests, eg it could be a long streaming request or a one-off fetch
 */
export declare const LOGS_REDIS_READ_PCT: number;
export declare const LOGS_REDIS_ENABLED: boolean;
export declare const NDJSON_CTYPE = "application/x-ndjson";
export declare const LOGS_HEARTBEAT_INTERVAL = 58000;
export declare const LOGS_DEFAULT_HISTORY_COUNT = 1000;
export declare const LOGS_DEFAULT_SUBSCRIPTION_COUNT = 0;
export declare const LOGS_SUBSCRIPTION_EXPIRY_SECONDS: number;
export declare const LOGS_SUBSCRIPTION_EXPIRY_HEARTBEAT_SECONDS: number;
export declare const LOGS_DEFAULT_RETENTION_LIMIT = 1000;
export declare const LOGS_DEFAULT_RETENTION_DURATION: number;
export declare const LOGS_DEFAULT_HISTORY_STREAMING_LOOKBACK: number;
export declare const LOGS_DEFAULT_HISTORY_LOOKBACK: number;
export declare const LOGS_PRIMARY_BACKEND: string;
export declare const LOGS_READ_STREAM_FLUSH_INTERVAL: number;
export declare const LOGS_STREAM_FLUSH_INTERVAL: number;
export declare const LOGS_BACKEND_UNAVAILABLE_FLUSH_INTERVAL: number;
export declare const LOGS_WRITE_BUFFER_LIMIT: number;
export declare const PINEJS_QUEUE_CONCURRENCY: number;
export declare let PINEJS_QUEUE_INTERVAL_MS: number;
export declare const PINEJS_WEBRESOURCE_MULTIPART_ENABLED: boolean;
export declare const ASYNC_TASK_ATTEMPT_LIMIT: number;
export declare let ASYNC_TASK_CREATE_SERVICE_INSTALLS_ENABLED: boolean;
export declare const ASYNC_TASK_CREATE_SERVICE_INSTALLS_BATCH_SIZE: number;
export declare const ASYNC_TASK_CREATE_SERVICE_INSTALLS_MAX_TIME_MS: number;
export declare const ASYNC_TASK_DELETE_REGISTRY_IMAGES_ENABLED: boolean;
export declare const ASYNC_TASK_DELETE_REGISTRY_IMAGES_BATCH_SIZE: number;
export declare const ASYNC_TASK_DELETE_REGISTRY_IMAGES_OFFSET_MS: number;
export declare let ASYNC_TASK_DELETE_REGISTRY_IMAGES_MAX_TIME_MS: number;
export declare const USERNAME_BLACKLIST: string[];
export declare const REGISTRY2_HOST: string;
export declare const REGISTRY_TOKEN_AUDIENCE: string;
export declare const REGISTRY_STORAGE_BUCKET: string | undefined;
export declare const REGISTRY_STORAGE_ROOT_PATH: string | undefined;
export declare const REGISTRY_STORAGE_ENDPOINT: string | undefined;
export declare const REGISTRY_STORAGE_ACCESS_KEY: string | undefined;
export declare const REGISTRY_STORAGE_SECRET_KEY: string | undefined;
export declare const REGISTRY_STORAGE_FORCE_PATH_STYLE: boolean;
export declare const SENTRY_DSN: string | undefined;
export declare const SUPERUSER_EMAIL: string;
export declare const SUPERUSER_PASSWORD: string;
export declare const TOKEN_AUTH_BUILDER_TOKEN: string;
export declare const TOKEN_AUTH_CERT_ISSUER: string;
export declare const TOKEN_AUTH_CERT_KEY: string;
export declare const TOKEN_AUTH_CERT_KID: string;
export declare const TOKEN_AUTH_CERT_PUB: string;
export declare const TOKEN_AUTH_JWT_ALGO: string;
export declare const VPN_SERVICE_API_KEY: string;
export declare const VPN_GUEST_API_KEY: string | undefined;
/** Set a large expiry so that huge pulls/pushes go through without needing to re-authenticate mid-process. */
export declare const REGISTRY_TOKEN_EXPIRY_SECONDS: number;
export declare let DEFAULT_SUPERVISOR_POLL_INTERVAL: number;
export declare const HIDE_UNVERSIONED_ENDPOINT: boolean;
export declare const METRICS_MAX_REPORT_INTERVAL_SECONDS: number;
export declare const METRICS_MAX_INTEGER_VALUE: number;
export declare const DOWNLOAD_PROGRESS_MAX_REPORT_INTERVAL_SECONDS: number;
/**
 * The time between the end of an empty state get and the start of the next
 */
export declare const EMPTY_DEVICE_STATE_GET_DELAY_SECONDS: number;
/**
 * The delay before responding to deleted/frozen devices device logs requests as a sort of backoff mechanism
 */
export declare const DELETED_FROZEN_DEVICE_LOGS_DELAY_MS: number;
export declare const IMAGE_INSTALL_CACHE_TIMEOUT_SECONDS: number;
export declare const DEVICE_TYPES_CACHE_LOCAL_TIMEOUT: number;
export declare const DEVICE_TYPES_CACHE_TIMEOUT: number;
export declare const BUILD_PROPERTY_CACHE_TIMEOUT: number;
export declare const BUILD_COMPRESSED_SIZE_CACHE_TIMEOUT: number;
export declare const API_KEY_EXISTS_CACHE_TIMEOUT: number;
export declare const DEVICE_EXISTS_CACHE_TIMEOUT: number;
export declare const GET_SUBJECT_CACHE_TIMEOUT: number;
export declare const RESOLVE_IMAGE_ID_CACHE_TIMEOUT: number;
export declare const RESOLVE_IMAGE_LOCATION_CACHE_TIMEOUT: number;
export declare const RESOLVE_IMAGE_READ_ACCESS_CACHE_TIMEOUT: number;
export declare const VPN_AUTH_CACHE_TIMEOUT: number;
export declare const DEVICE_LOGS_WRITE_AUTH_CACHE_TIMEOUT: number;
export declare const DEVICE_LOGS_LOKI_CONTEXT_CACHE_TIMEOUT: number;
export declare const API_KEY_ROLE_CACHE_TIMEOUT: number;
export declare const GZIP_COMPRESSION_QUALITY: number;
export declare const BROTLI_COMPRESSION_QUALITY: number;
export declare const BROTLI_COMPRESSION_WINDOW_BITS: number | undefined;
export declare const TRUST_PROXY: number | boolean | ((addr: string, i: number) => boolean);
export declare const IGNORE_FROZEN_DEVICE_PERMISSIONS: boolean;
export declare const WEBRESOURCES_S3_HOST: string | undefined;
export declare const WEBRESOURCES_S3_REGION: string | undefined;
export declare const WEBRESOURCES_S3_ACCESS_KEY: string | undefined;
export declare const WEBRESOURCES_S3_SECRET_KEY: string | undefined;
export declare const WEBRESOURCES_S3_BUCKET: string | undefined;
export declare const WEBRESOURCES_S3_MAX_FILESIZE: number;
export declare const WEBRESOURCES_S3_STORAGE_CLASS: string | undefined;
export declare const WEBRESOURCES_CLOUDFRONT_PRIVATEKEY_PATH: string | undefined;
export declare const WEBRESOURCES_CLOUDFRONT_PUBLICKEY: string | undefined;
export declare const WEBRESOURCES_CLOUDFRONT_HOST: string | undefined;
export declare const DISABLED_SCHEDULED_JOBS: Set<string>;
export declare const disableScheduledJob: (jobName: string) => void;
export declare const enableScheduledJob: (jobName: string) => void;
export declare const guardTestMockOnly: () => void;
export declare const TEST_MOCK_ONLY: {
    DEFAULT_SUPERVISOR_POLL_INTERVAL: typeof DEFAULT_SUPERVISOR_POLL_INTERVAL;
    API_HEARTBEAT_STATE_TIMEOUT_SECONDS: typeof API_HEARTBEAT_STATE_TIMEOUT_SECONDS;
    API_HEARTBEAT_STATE_ONLINE_UPDATE_CACHE_TIMEOUT: typeof API_HEARTBEAT_STATE_ONLINE_UPDATE_CACHE_TIMEOUT;
    ASYNC_TASKS_ENABLED: typeof ASYNC_TASKS_ENABLED;
    ASYNC_TASK_CREATE_SERVICE_INSTALLS_ENABLED: typeof ASYNC_TASK_CREATE_SERVICE_INSTALLS_ENABLED;
    PINEJS_QUEUE_INTERVAL_MS: typeof PINEJS_QUEUE_INTERVAL_MS;
    ASYNC_TASK_DELETE_REGISTRY_IMAGES_MAX_TIME_MS: typeof ASYNC_TASK_DELETE_REGISTRY_IMAGES_MAX_TIME_MS;
};
export {};