/**
 * Provider barrel: concrete adapters + composition helpers (fallback, retry).
 */
import type { ModelProvider } from "../types";
import { openaiProvider } from "./openai";
import { anthropicProvider } from "./anthropic";
import { geminiProvider } from "./gemini";
export { openaiProvider, anthropicProvider, geminiProvider };
export type { OpenAIProviderConfig } from "./openai";
export type { AnthropicProviderConfig } from "./anthropic";
export type { GeminiProviderConfig } from "./gemini";
/** Try each provider in order; throw a combined error only if all fail. */
export declare function fallbackProvider(providers: ModelProvider[]): ModelProvider;
export interface RetryOptions {
    maxRetries?: number;
    baseDelayMs?: number;
    /** Fired before sleeping between attempts (attempt is 1-based retry count). */
    onRetry?: (info: {
        attempt: number;
        maxRetries: number;
        error: unknown;
        delayMs: number;
    }) => void;
}
/** Exponential backoff retry wrapper around a provider. */
export declare function withRetry(provider: ModelProvider, options?: RetryOptions): ModelProvider;
//# sourceMappingURL=index.d.ts.map