/**
 * toAwaitFetch 实现
 * Class 实现，参考 API 类型定义和生命周期图
 */
import type { FetchInstance, FetchResultPromise, RequestConfig, GlobalConfig, RequestType, ResponseType, TransformResponseFn, CreateFetch, ToAwaitFetch } from './toAwaitFetch.api';
/**
 * 内部请求配置（包含 requestType 和 responseType）
 * 仅供内部使用，不对外暴露
 */
interface InternalRequestConfig<TRequest = any, TResponse = any> extends RequestConfig<TRequest, TResponse> {
    /**
     * 请求数据类型（内部使用）
     * @default 'json'
     */
    requestType?: RequestType;
    /**
     * 响应数据类型（内部使用）
     * @default 'json'
     */
    responseType?: ResponseType;
    /**
     * 响应数据转换函数
     */
    transformResponse?: TransformResponseFn<TResponse, TResponse>;
}
/**
 * FetchInstance 实现类
 */
declare class FetchInstanceImpl implements FetchInstance {
    private globalConfig;
    constructor(globalConfig?: GlobalConfig);
    /**
     * 执行请求（核心逻辑）
     */
    private executeRequest;
    /**
     * 发送请求（内部可接收 requestType 和 responseType）
     */
    request<TRequest = any, TResponse = any>(config: RequestConfig<TRequest, TResponse> | InternalRequestConfig<TRequest, TResponse>): FetchResultPromise<TResponse>;
    /**
     * 设置全局配置
     */
    setGlobalConfig(config: GlobalConfig): void;
    /**
     * 获取全局配置
     */
    getGlobalConfig(): GlobalConfig;
    /**
     * 合并全局配置
     */
    mergeGlobalConfig(config: Partial<GlobalConfig>): void;
    /**
     * GET 请求
     */
    sendGet<TResponse = any, TRequest = any>(url: string, params?: TRequest, config?: Omit<RequestConfig<TRequest, TResponse>, 'url' | 'method' | 'data'>): FetchResultPromise<TResponse>;
    /**
     * POST 请求（默认 JSON 格式）
     */
    sendPost<TResponse = any, TRequest = any>(url: string, data?: TRequest, config?: Omit<RequestConfig<TRequest, TResponse>, 'url' | 'method' | 'data'>): FetchResultPromise<TResponse>;
    /**
     * POST 请求（FormData 格式，用于文件上传）
     */
    sendPostForm<TResponse = any, TRequest = any>(url: string, data?: TRequest, config?: Omit<RequestConfig<TRequest, TResponse>, 'url' | 'method' | 'data'>): FetchResultPromise<TResponse>;
    /**
     * POST 请求（Blob 数据）
     */
    sendPostBlob<TRequest = any>(url: string, data?: TRequest, config?: Omit<RequestConfig<TRequest, Blob>, 'url' | 'method' | 'data'>): FetchResultPromise<Blob>;
    /**
     * GET 请求（Blob 响应，用于下载文件）
     */
    sendGetBlob<TRequest = any>(url: string, params?: TRequest, config?: Omit<RequestConfig<TRequest, Blob>, 'url' | 'method' | 'data'>): FetchResultPromise<Blob>;
}
/**
 * 创建 toAwaitFetch 实例的工厂函数
 */
declare const createInstance: CreateFetch;
/**
 * 导出常用方法，方便直接使用：import { sendGet, sendPost } from '...'
 * 使用箭头函数直接调用实例方法，确保 this 正确绑定
 */
export declare const sendGet: <TResponse = any, TRequest = any>(url: string, params?: TRequest, config?: Omit<RequestConfig<TRequest, TResponse>, "url" | "method" | "data">) => FetchResultPromise<TResponse>;
export declare const sendPost: <TResponse = any, TRequest = any>(url: string, data?: TRequest, config?: Omit<RequestConfig<TRequest, TResponse>, "url" | "method" | "data">) => FetchResultPromise<TResponse>;
export declare const sendPostForm: <TResponse = any, TRequest = any>(url: string, data?: TRequest, config?: Omit<RequestConfig<TRequest, TResponse>, "url" | "method" | "data">) => FetchResultPromise<TResponse>;
export declare const sendPostBlob: <TRequest = any>(url: string, data?: TRequest, config?: Omit<RequestConfig<TRequest, Blob>, "url" | "method" | "data">) => FetchResultPromise<Blob>;
export declare const sendGetBlob: <TRequest = any>(url: string, params?: TRequest, config?: Omit<RequestConfig<TRequest, Blob>, "url" | "method" | "data">) => FetchResultPromise<Blob>;
export declare const setGlobalConfig: (config: GlobalConfig) => void;
export declare const cancel: <T = any>(promise: FetchResultPromise<T>) => void;
/**
 * 默认实例（既是工厂函数也是实例）
 * 支持 axios 风格调用：toAwaitFetch(config) 直接发起请求
 */
declare const toAwaitFetch: ToAwaitFetch;
export { createInstance, FetchInstanceImpl };
export default toAwaitFetch;
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