/**
 * HTTP Client for Hawcx Auth Protocol v2
 *
 * Single endpoint: POST /auth
 * All actions go through sendAction().
 */
import { type Result } from "neverthrow";
import { type AuthError } from "./errors";
import { type Action, type WireResponse } from "./protocol";
import { type Logger } from "./types";
export interface HttpClientConfig {
    apiBase: string;
    configId: string;
    logger?: Logger;
    /** Request timeout in milliseconds (default: 10000) */
    timeout?: number;
    /** Custom fetch implementation for testing */
    fetch?: typeof fetch;
}
/**
 * HTTP client for Protocol v2.
 * Handles retries, timeouts, and error mapping.
 */
export declare class HttpClient {
    private readonly config;
    private readonly api;
    private readonly logger;
    constructor(config: HttpClientConfig);
    /**
     * Send a Protocol v2 action to the /auth endpoint.
     */
    sendAction(action: Action, session?: string, signal?: AbortSignal): Promise<Result<WireResponse, AuthError>>;
    /**
     * Transform SDK-friendly action field names to wire protocol names.
     * Keeps the developer API clean while matching backend expectations.
     */
    private transformAction;
    /**
     * Transform wire protocol response to SDK-friendly format.
     * Maps method.id -> method.name for cleaner developer API.
     */
    private transformResponse;
    private mapNetworkError;
    private mapHttpError;
    private extractErrorDetails;
}