import type { X278Capabilities } from "./domain.cjs";
import { type X278Client, type X278ClientOptions, type X278Transport } from "./sdk.cjs";
export type X278Fetch = (input: string | URL | Request, init?: RequestInit) => Promise<Response>;
export type X278HttpOperation = "capabilities" | "authorize" | "resume" | "awaitDetermination" | "auditLog" | "verify";
export interface X278HttpRequestEvent {
    readonly requestId: string;
    readonly operation: X278HttpOperation;
    readonly method: "GET" | "POST";
    readonly url: string;
    readonly attempt: number;
    readonly headers: Readonly<Record<string, string>>;
    readonly body?: unknown;
}
export interface X278HttpResponseEvent extends X278HttpRequestEvent {
    readonly status: number;
    readonly durationMs: number;
    readonly responseHeaders: Readonly<Record<string, string>>;
    readonly responseBody: unknown;
}
export interface X278HttpRetryEvent extends X278HttpRequestEvent {
    readonly status?: number;
    readonly retryAfterMs: number;
    readonly error?: unknown;
}
export interface X278HttpHooks {
    readonly onRequest?: (event: X278HttpRequestEvent) => void | Promise<void>;
    readonly onResponse?: (event: X278HttpResponseEvent) => void | Promise<void>;
    readonly onRetry?: (event: X278HttpRetryEvent) => void | Promise<void>;
    readonly onError?: (event: X278HttpRetryEvent) => void | Promise<void>;
}
export interface X278Logger {
    readonly debug?: (message: string, context?: unknown) => void;
    readonly warn?: (message: string, context?: unknown) => void;
    readonly error?: (message: string, context?: unknown) => void;
}
export interface X278RetryOptions {
    readonly maxRetries?: number;
    readonly baseDelayMs?: number;
    readonly maxDelayMs?: number;
    readonly retryStatuses?: ReadonlyArray<number>;
    readonly jitter?: boolean;
}
export interface X278HttpTransportOptions {
    readonly baseUrl: string | URL;
    readonly fetch?: X278Fetch;
    readonly headers?: HeadersInit | ((event: X278HttpRequestEvent) => HeadersInit | Promise<HeadersInit>);
    readonly bearerToken?: string | (() => string | Promise<string>);
    readonly timeoutMs?: number;
    readonly retry?: X278RetryOptions;
    readonly debug?: boolean;
    readonly logger?: X278Logger;
    readonly hooks?: X278HttpHooks;
}
export type X278HttpClientOptions = X278HttpTransportOptions & X278ClientOptions;
export interface X278HttpTransport extends X278Transport {
    readonly capabilities: () => Promise<X278Capabilities>;
}
export type X278HttpClient = X278Client & {
    readonly capabilities: () => Promise<X278Capabilities>;
};
export interface X278Env extends Readonly<Record<string, string | undefined>> {
    readonly X278_PAYER_URL?: string;
    readonly X278_BEARER_TOKEN?: string;
}
export declare const defineX278HttpConfig: <Config extends X278HttpClientOptions>(config: Config) => Config;
/**
 * Creates a fetch-backed x278 transport for production payer endpoints.
 *
 * @example
 * const transport = createX278HttpTransport({
 *   baseUrl: "https://payer.example",
 *   bearerToken: process.env.X278_BEARER_TOKEN,
 *   debug: true
 * });
 */
export declare const createX278HttpTransport: (options: X278HttpTransportOptions) => X278HttpTransport;
/**
 * Creates the batteries-included Promise client for an x278 HTTP endpoint.
 *
 * @example
 * const client = createX278HttpClient({
 *   baseUrl: "https://payer.example",
 *   collectEvidence
 * });
 */
export declare const createX278HttpClient: (options: string | URL | X278HttpClientOptions) => X278HttpClient;
/**
 * Creates an HTTP client from environment variables for local parity.
 *
 * @example
 * const client = createX278HttpClientFromEnv(process.env, { collectEvidence });
 */
export declare const createX278HttpClientFromEnv: (env?: X278Env, options?: Omit<X278HttpClientOptions, "baseUrl" | "bearerToken">) => X278HttpClient;
//# sourceMappingURL=http.d.cts.map