export declare const generateHydrationHeader: (hydrationArray: any) => any;
export declare const generateTraceValue: (bytes?: number) => string;
export type APIFilter = number | {
    [key: string]: number[] | number | string | string[];
} | null;
export declare const formatPath: (path: string, filter: APIFilter) => string;
export declare const createMetaKey: (first_name: string, last_name: string, pan: string, postal_code: string) => string;
export declare const generateUniqueUsername: () => string;
export declare const generateRandomPar: (pan: string, exp_month: string, exp_year: string, salt: string) => string;
export declare const getCardBrand: (pan: string) => string;
export declare const get_host_config: (fi_override?: string, api_port_override?: string, api_instance_override?: string) => {
    api_url: string;
    instance: string | undefined;
    fi_lookup: string;
};
export declare const localStorageAvailable: () => boolean;