/**
 * Assert class
 */
export declare class Assert {
    /**
        * Checks if a value is true. Same as Assert.ok()
        * ```js
        *Assert.assert(50 > 70,"Expression is incorrect");
        * ```
        * @param {any} expression Specifies an expression to be evaluated
        * @param {String} message Specifies the error message to be assigned to the AssertionError. If omitted, a default message is assigned
       */
    static assert(expression: any, message?: string): Promise<void>;
    /**
         * Checks if two values are equal, using the equal operator (==)
         * ```js
         *Assert.equal(50, 50, "Values are not equal")
         * ```
         * @param {string | string[] | number} value1 Specifies the first value to be compared
         * @param {string | string[] | number} value2 Specifies the second value to be compared
         * @param {String} message Specifies the error message to be assigned to the AssertionError. If omitted, a default message is assigned
        */
    static equal(value1: string | string[] | number, value2: string | string[] | number, message?: string): Promise<void>;
    /**
         * Checks if a value is true
         * ```js
         *Assert.ok(50 > 70,"Expression is incorrect");
         * ```
         * @param {any} expression Specifies an expression to be evaluated
         * @param {String} message Specifies the error message to be assigned to the AssertionError. If omitted, a default message is assigned
        */
    static ok(expression: any, message?: string): Promise<void>;
    /**
         *Checks if two values are equal, using the strict equal operator (===)
         * ```js
         *Assert.strictEqual(50, "50","Values are not equal")
         * ```
         * @param {string | string[] | number} value1 Specifies the first value to be compared
         * @param {string | string[] | number} value2 Specifies the second value to be compared
         * @param {String} message Specifies the error message to be assigned to the AssertionError. If omitted, a default message is assigned
        */
    static strictEqual(value1: string | string[] | number, value2: string | string[] | number, message?: string): Promise<void>;
    /**
         * Checks if two values are not equal, using the not equal operator (!=)
         * ```js
         *Assert.notEqual(50, 50,"Values are equal");
         * ```
          * @param {string | string[] | number} value1 Specifies the first value to be compared
         * @param {string | string[] | number} value2 Specifies the second value to be compared
         * @param {String} message Specifies the error message to be assigned to the AssertionError. If omitted, a default message is assigned
        */
    static notEqual(value1: string | string[] | number, value2: string | string[] | number, message?: string): Promise<void>;
    /**
         * Checks if two values are not equal, using the strict not equal operator (!==)
         * ```js
         *Assert.notStrictEqual(50, 50,"Values are equal")
         * ```
         * @param {string | string[] | number} value1 Specifies the first value to be compared
         * @param {string | string[] | number} value2 Specifies the second value to be compared
         * @param {String} message Specifies the error message to be assigned to the AssertionError. If omitted, a default message is assigned
        */
    static notStrictEqual(value1: string | string[] | number, value2: string | string[] | number, message?: string): Promise<void>;
    /**
         * Checks if two values are equal
         * ```js
         *Assert.deepEqual(x, y,"Values are not equal");
         * ```
         * @param {string | string[] | number} value1 Specifies the first value to be compared
         * @param {string | string[] | number} value2 Specifies the second value to be compared
         * @param {String} message Specifies the error message to be assigned to the AssertionError. If omitted, a default message is assigned
        */
    static deepEqual(value1: string | string[] | number, value2: string | string[] | number, message?: string): Promise<void>;
    /**
         * Checks if two values are equal, using the strict equal operator (===)
         * ```js
         *Assert.deepStrictEqual(x, y,"Values are not equal");
         * ```
         * @param {string | string[] | number} value1 Specifies the first value to be compared
         * @param {string | string[] | number} value2 Specifies the second value to be compared
         * @param {String} message Specifies the error message to be assigned to the AssertionError. If omitted, a default message is assigned
        */
    static deepStrictEqual(value1: string | string[] | number, value2: string | string[] | number, message?: string): Promise<void>;
    /**
         * Checks if two values are not equal
         * ```js
         *Assert.notDeepEqual(x, z,"Values are equal");
         * ```
         * @param {string | string[] | number} value1 Specifies the first value to be compared
         * @param {string | string[] | number} value2 Specifies the second value to be compared
         * @param {String} message Specifies the error message to be assigned to the AssertionError. If omitted, a default message is assigned
        */
    static notDeepEqual(value1: string | string[] | number, value2: string | string[] | number, message?: string): Promise<void>;
    /**
         * Checks if two values are not equal, using the strict not equal operator (!==)
         * ```js
         *Assert.notDeepStrictEqual(x, z,"Values are equal");
         * ```
         * @param {string | string[] | number} value1 Specifies the first value to be compared
         * @param {string | string[] | number} value2 Specifies the second value to be compared
         * @param {String} message Specifies the error message to be assigned to the AssertionError. If omitted, a default message is assigned
        */
    static notDeepStrictEqual(value1: string | string[] | number, value2: string | string[] | number, message?: string): Promise<void>;
    /**
         * Throws an Assertion Error
         * ```js
         *Assert.fail()
         * ```
        */
    static fail(): Promise<void>;
}