import { User } from '../common';
import * as Request from '../request';
import { Config } from '../client';
/**
 * Validate SDK config.
 * @param config SDK configuration options.
 * @param isBrowserEnv `true` if running in browser environment.
 * @throws Throws an error with a human-readable message in case of misconfiguration.
 */
export declare function validateConfig(config: Config, isBrowserEnv: boolean): void;
/**
 * Validate autocomplete request parameters.
 * @param params Autocomplete request parameters.
 * @throws Throws an error in case of invalid request parameters.
 */
export declare function validateAutocomplete(params: Request.Autocomplete.Params): void;
/**
 * Validate search request parameters.
 * @param params Search request parameters.
 * @throws Throws an error in case of invalid request parameters.
 */
export declare function validateSearch(params: Request.Search.Params): void;
/**
 * Validate smart collection request parameters.
 * @param params Smart collection request parameters.
 * @throws Throws an error in case of invalid request parameters.
 */
export declare function validateSmartCollection(params: Request.SmartCollection.Params): void;
/**
 * Validate recommendations request parameters.
 * @param params Recommendations request parameters.
 * @throws Throws an error in case of invalid request parameters.
 */
export declare function validateRecommendations(params: Request.Recommendations.Params): void;
/**
 * Validate feedback request parameters.
 * @param params Feedback request parameters.
 * @throws Throws an error in case of invalid request parameters.
 */
export declare function validateFeedback(params: Request.Feedback.Params): void;
/**
 * Validate user parameters.
 * @param user Current user identity info.
 * @throws Throws an error in case of invalid request parameters.
 */
export declare function validateUser(user?: User): void;