import { ErrorCode } from "./ErrorTypes";
export interface EnvironmentConfig {
    region?: string;
    regionNonFlex?: string;
    edge?: string;
}
export declare enum LocalStorageKeys {
    ACCOUNT_CONFIG_DATA = "FLEX_SDK_CACHE_ACCOUNT_CONFIG_DATA",
    FEATURES_CONFIG_DATA = "FLEX_SDK_CACHE_FEATURES_CONFIG_DATA",
    PUBLIC_CONFIG_DATA = "FLEX_SDK_CACHE_PUBLIC_CONFIG_DATA"
}
export declare function getCachedItem<T = unknown>(key: string): undefined | T;
export declare function setCachedItem(key: string, value: unknown): void;
export declare function isDownstreamErrorCode(errorCode: ErrorCode | undefined): boolean;