import { Request } from 'express';
export declare function extractBearerToken(req: Request): string;
export declare const VERSION: any;
export declare const CRIIPTO_SDK: string;
export declare const memoryStorage: {
    readonly length: number;
    clear(): void;
    getItem(key: string): string;
    setItem(key: string, value: string): void;
    removeItem(key: string): void;
    key(index: number): string;
};