import { SettingsModel } from '../models/settings/SettingsModel';
/**
 * Asynchronously retrieves data from a web service using the specified query parameters and endpoint.
 * @param queryParams - The parameters to be used in the query string of the request.
 * @param endpoint - The endpoint URL to which the request is sent.
 * @returns A promise that resolves to the response data or false if an error occurs.
 */
export declare function getFromGatewayService(queryParams: any, endpoint: any): Promise<any>;
/**
 * Encodes the query parameters to ensure they are URL-safe.
 * @param queryParams  The query parameters to be encoded.
 * @returns  An object containing the encoded query parameters.
 */
export declare function getQueryParams(queryParams: Record<string, string | number>): Record<string, string>;
/**
 * Adds isGatewayServiceRequired flag to each feature in the settings based on pre segmentation.
 * @param {any} settings - The settings file to modify.
 */
export declare function addIsGatewayServiceRequiredFlag(settings: SettingsModel): void;