/**
 * @module ResponseEntity
 */
import CacheControl from '../http/CacheControl';
import MediaType from '../http/MediaType';
import { RequestHeaders } from '../../interface/declare';
export default class HttpEntity<T = any, H = RequestHeaders> {
    headers: H;
    body: T;
    constructor(data: T, headers: H);
    /**
     * 设置返回内容
     * @param data
     */
    setBody(data: T): this;
    /**
     * 这是头部信息对象
     * @param headers
     */
    setHeaders(headers: any): this;
    /**
     * 设置单个头部信息
     * @param key
     * @param values
     */
    setHeader(key: string, ...values: Array<string>): this;
    /**
     * 设置头部信息 allows
     * @param HttpMethod
     * @param allowedMethods
     */
    setAllow(allowedMethods: Array<string>): this;
    /**
     * 设置返回etag
     */
    setETag(etag: string): this;
    /**
     * 设置Last-Modified头部信息
     */
    setLastModified(lastModified: Date): this;
    /**
     * 设置Location头部信息
     */
    setLocation(location: string): this;
    /**
     * 配置缓存控制
     */
    setCacheControl(cacheControl: CacheControl): this;
    /**
     * 配置 Vary头部信息
     * ```js
     *  .varBy('UserAgent','Cookie')
     *
     * ```
     */
    setVaryBy(requestHeaders: Array<string>): this;
    setContentLength(contentLength: number): this;
    setContentType(contentType: MediaType): this;
    build(): void;
}