import type { LLMProvider, LLMRequestOptions, LLMResponse, LLMStreamEvent } from '../core/llm/llm-provider.js';
export interface FallbackProviderConfig {
    provider: string;
    model?: string;
    baseUrl?: string;
    apiKey?: string;
}
export interface MultiProviderRouterOptions {
    primary: LLMProvider;
    createProvider: (config: FallbackProviderConfig) => LLMProvider;
    fallbacks: FallbackProviderConfig[];
    maxFallbacks?: number;
    cooldownMs?: number;
}
export declare class MultiProviderRouter implements LLMProvider {
    readonly id = "multi-provider-router";
    readonly displayName = "Multi-Provider Router";
    readonly capabilities: LLMProvider['capabilities'];
    private primary;
    private createProvider;
    private fallbackHealth;
    private maxFallbacks;
    private cooldownMs;
    constructor(options: MultiProviderRouterOptions);
    private checkHealth;
    complete(opts: LLMRequestOptions): Promise<LLMResponse>;
    stream(opts: LLMRequestOptions, onEvent: (e: LLMStreamEvent) => void): Promise<LLMResponse>;
}
export declare function parseFallbackProvidersEnv(env?: NodeJS.ProcessEnv): FallbackProviderConfig[];
export declare function parseFallbackMaxRetriesEnv(env?: NodeJS.ProcessEnv): number;
export declare function parseFallbackCooldownEnv(env?: NodeJS.ProcessEnv): number;
//# sourceMappingURL=multi-provider-router.d.ts.map