/**
 * Encapsulates the logic for issuing a request to the Stripe API.
 *
 * A custom HTTP client should should implement:
 * 1. A response class which extends HttpClientResponse and wraps around their
 *    own internal representation of a response.
 * 2. A client class which extends HttpClient and implements all methods,
 *    returning their own response class when making requests.
 */
export class HttpClient {
    /** The client name used for diagnostics. */
    getClientName() {
        throw new Error('getClientName not implemented.');
    }
    makeRequest(host, port, path, method, headers, requestData, protocol, timeout) {
        throw new Error('makeRequest not implemented.');
    }
    /** Helper to make a consistent timeout error across implementations. */
    static makeTimeoutError() {
        const timeoutErr = new TypeError(HttpClient.TIMEOUT_ERROR_CODE);
        timeoutErr.code = HttpClient.TIMEOUT_ERROR_CODE;
        return timeoutErr;
    }
}
// Public API accessible via Stripe.HttpClient
HttpClient.CONNECTION_CLOSED_ERROR_CODES = ['ECONNRESET', 'EPIPE'];
HttpClient.TIMEOUT_ERROR_CODE = 'ETIMEDOUT';
export class HttpClientResponse {
    constructor(statusCode, headers) {
        this._statusCode = statusCode;
        this._headers = headers;
    }
    getStatusCode() {
        return this._statusCode;
    }
    getHeaders() {
        return this._headers;
    }
    getRawResponse() {
        throw new Error('getRawResponse not implemented.');
    }
    toStream(streamCompleteCallback) {
        throw new Error('toStream not implemented.');
    }
    toJSON() {
        throw new Error('toJSON not implemented.');
    }
}