/**
 * The js expression allows to execute a javascript expression. This is very useful when you have specific requirements that are not addressed by the expressions available here.
 *
 * @remarks
 * It takes 1 arguments.
 *
 * js(<js_expression\>)
 *
 * - **<js_expression\>** is a a string
 *
 * ## Usage
 *
 * - `js('Date.now()')` - returns the current time.
 *
 */
import { BaseMethod } from './_Base';
export declare class JsExpression extends BaseMethod {
    private _function;
    static required_arguments(): string[][];
    process_arguments(args: any[]): Promise<any>;
    private _create_function;
}