import type { ImageSource } from '../image-source';
import type { File } from '../file-system';
import type { BaseHttpContent } from './http-request-internal';
/**
 * Provides options for the http requests.
 */
export interface HttpRequestOptions {
    /**
     * Gets or sets the request url.
     */
    url: string;
    /**
     * Gets or sets the request method.
     */
    method: string;
    /**
     * Gets or sets the request headers in JSON format.
     */
    headers?: any;
    /**
     * Gets or sets the request body.
     */
    content?: string | FormData | ArrayBuffer | Uint8Array<ArrayBufferLike>;
    /**
     * Gets or sets the request timeout in milliseconds.
     */
    timeout?: number;
    /**
     * Gets or sets whether to *not* follow server's redirection responses.
     */
    dontFollowRedirects?: boolean;
}
/**
 * Encapsulates HTTP-response information from an HTTP-request.
 */
export interface HttpResponse<T = HttpContent> {
    /**
     * Gets the response status code.
     */
    statusCode: number;
    /**
     * Gets the response headers.
     */
    headers: Headers;
    /**
     * Gets the response content.
     */
    content?: T;
}
export type Headers = {
    [key: string]: string | string[];
};
export declare enum HttpResponseEncoding {
    UTF8 = 0,
    GBK = 1
}
export interface HttpContentHandler {
    /**
     * Gets the response body as ArrayBuffer
     */
    toArrayBuffer: () => ArrayBuffer;
    /**
     * Gets the response body as string.
     */
    toString: (encoding?: HttpResponseEncoding) => string;
    /**
     * Gets the response body as JSON object.
     */
    toJSON: (encoding?: HttpResponseEncoding) => any;
    /**
     * Gets the response body as ImageSource.
     */
    toImage: () => Promise<ImageSource>;
    /**
     * Gets the response body as file.
     */
    toFile: (destinationFilePath?: string) => File;
}
/**
 * Encapsulates the content of an HttpResponse.
 */
export interface HttpContent extends HttpContentHandler, BaseHttpContent {
}