/**
 * Multi-provider API format translation.
 *
 * Translates between our universal BrainResponse and the wire formats
 * for Anthropic, OpenAI, and Google Generative AI.
 *
 * Each provider needs:
 *   1. parseRequest()  — incoming API request → normalized ApiRequest
 *   2. serializeResponse() — BrainResponse → provider-specific SSE/JSON
 */
import type { ApiRequest, BrainResponse } from "./anthropic.js";
import { toSSE as anthropicToSSE } from "./anthropic.js";
export type ProviderName = "anthropic" | "openai" | "openai-responses" | "google" | "unknown";
/**
 * Detect which provider format a request is using, based on URL path.
 */
export declare function detectProvider(method: string, path: string): ProviderName;
export { anthropicToSSE };
export declare function parseOpenAIRequest(body: Record<string, unknown>): ApiRequest;
export declare function openaiToSSE(response: BrainResponse, model: string): string;
export declare function parseGoogleRequest(body: Record<string, unknown>): ApiRequest;
export declare function googleToSSE(response: BrainResponse, _model: string): string;
export declare function parseOpenAIResponsesRequest(body: Record<string, unknown>): ApiRequest;
export declare function openaiResponsesToSSE(response: BrainResponse, model: string): string;
export declare function serializeResponse(provider: ProviderName, response: BrainResponse, model: string): {
    contentType: string;
    body: string;
};
/**
 * Format an HTTP error body the way each provider's real API would.
 * This ensures the Anthropic/OpenAI/Google SDKs parse the error correctly
 * and include meaningful error messages that pi's retry logic can match.
 */
export declare function serializeProviderError(provider: ProviderName, status: number, message: string): {
    contentType: string;
    body: string;
};
export declare function parseRequest(provider: ProviderName, body: Record<string, unknown>): ApiRequest;
//# sourceMappingURL=providers.d.ts.map