import { Folders } from 'webdriver-image-comparison/build/base.interface';
import { InstanceData, BaseMethodOptions } from './interfaces';
/**
 * Get the instance data
 */
export declare function getInstanceData(): Promise<InstanceData>;
/**
 * Transform all `hideElements`, `removeElements` and `hideAfterFirstScroll`-elements to WebElements
 */
export declare function optionElementsToWebElements(options: BaseMethodOptions): Promise<BaseMethodOptions>;
/**
 * Get all the web elements
*/
export declare function getWebElements(elements: HTMLElement[]): Promise<HTMLElement[]>;
/**
 * Get the folders data
 *
 * If folder options are passed in use those values
 * Otherwise, use the values set during instantiation
 */
export declare function getFolders(methodOptions: any, folders: Folders): Folders;
/**
 * @description Detect if a function is asynchronous
 */
export declare function isAsyncFn(fn: () => void): boolean;