import * as joi from "joi";
export declare const expectRequestError: <T>(promise: Promise<T>) => Promise<void>;
export declare const randomString: (len: number) => string;
export declare const randomEmail: () => string;
export declare const arrayOf: (type: any) => joi.ArraySchema<any[]>;
export declare const string: joi.StringSchema<string>;
export declare const number: joi.NumberSchema<number>;
export declare const boolean: joi.BooleanSchema<boolean>;
export declare const date: joi.DateSchema<Date>;
export declare const array: joi.ArraySchema<any[]>;
export declare const strings: (...keys: string[]) => any;
export declare const numbers: (...keys: string[]) => any;
export declare const booleans: (...keys: string[]) => any;
export declare const object: (properties?: any) => joi.ObjectSchema<any>;
export declare const response: (schema?: any) => joi.ObjectSchema<any>;