/*!
 * @license
 * Copyright © 2005-2025 Hyland Software, Inc. and its affiliates. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { RequestOptions, HttpClient, SecurityOptions, Emitters } from './api-clients/http-client.interface';
export declare class FetchHttpClient implements HttpClient {
    timeout: number | {
        deadline?: number;
        response?: number;
    };
    private readonly customFetch?;
    constructor(customFetch?: typeof fetch);
    private getFetch;
    private hasNativeXhr;
    post<T = any>(url: string, options: RequestOptions, securityOptions: SecurityOptions, emitters: Emitters): Promise<T>;
    put<T = any>(url: string, options: RequestOptions, securityOptions: SecurityOptions, emitters: Emitters): Promise<T>;
    get<T = any>(url: string, options: RequestOptions, securityOptions: SecurityOptions, emitters: Emitters): Promise<T>;
    delete<T = void>(url: string, options: RequestOptions, securityOptions: SecurityOptions, emitters: Emitters): Promise<T>;
    request<T = any>(url: string, options: RequestOptions, securityOptions: SecurityOptions, emitters: Emitters): Promise<T>;
    private requestWithFetch;
    private requestWithXhr;
    private deserializeXhrResponse;
    setCsrfToken(headers: Record<string, string>): void;
    private buildHeaders;
    private buildBody;
    private static emitErrorEvents;
    private applyAuthHeaders;
    private deserializeResponse;
    private static createCSRFToken;
    private static buildQueryString;
    private static normalizeParams;
    private static isFileParam;
}