/**
 * TODO: need to ensure the stack trace correctly get the right line number asnd position
 * from the error for determining the step label
 * This module adds the ability to auto extract the step labels for a more fluent experience
 */
import { Scenario } from './scenario';
export { Scenario };
declare type TestFunc = () => Promise<any> | void;
declare type StepBody = TestFunc | Promise<any>;
export declare function Given(labelOrStep: string | StepBody, stepBody?: StepBody): import("./scenario").Step;
export declare function When(labelOrStep: string | StepBody, stepBody?: StepBody): import("./scenario").Step;
export declare function Then(labelOrStep: string | StepBody, stepBody?: StepBody): import("./scenario").Step;
export declare function And(labelOrStep: string | StepBody, stepBody?: StepBody): import("./scenario").Step;
/**
 * Given a function, extract the embedded 'doc string'. E.g.
 *
 * function myFunc(){
 *    "This function is here as an exampple, and this is a
 *     docstring. It can start with single, double, or back quote and be multipe lines"
 * }
 */
export declare function extractFunctionDocs(func: Function, maxLinesToRead?: number): string | undefined;
/**
 * Extracts the calling code line
 * {@link https://github.com/evanw/node-source-map-support usable by typescript node-source-map-support module}
 * {@link https://github.com/mozilla/source-map/ Mozilla source-map library & project}
 * {@link http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/ good introduction to sourcemaps}
 */
export declare function extractLabelFromSource(skipStacksFrames?: number): string | undefined;