/**
 * OpenRouter chat model implementation
 * OpenRouter provides access to various LLM models through a unified OpenAI-compatible interface
 */
import { z } from 'zod';
import { AbstractChatModel } from '../base';
import { BaseMessage } from '../messages';
import { ChatInvokeCompletion } from '../views';
export declare const OpenRouterChatModelSchema: z.ZodObject<{
    model: z.ZodString;
    temperature: z.ZodOptional<z.ZodNumber>;
    top_p: z.ZodOptional<z.ZodNumber>;
    seed: z.ZodOptional<z.ZodNumber>;
    api_key: z.ZodOptional<z.ZodString>;
    http_referer: z.ZodOptional<z.ZodString>;
    base_url: z.ZodDefault<z.ZodString>;
    timeout: z.ZodOptional<z.ZodNumber>;
    max_retries: z.ZodDefault<z.ZodNumber>;
    default_headers: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodString>>;
}, "strip", z.ZodTypeAny, {
    model: string;
    base_url: string;
    max_retries: number;
    api_key?: string | undefined;
    temperature?: number | undefined;
    timeout?: number | undefined;
    seed?: number | undefined;
    top_p?: number | undefined;
    http_referer?: string | undefined;
    default_headers?: Record<string, string> | undefined;
}, {
    model: string;
    api_key?: string | undefined;
    temperature?: number | undefined;
    timeout?: number | undefined;
    seed?: number | undefined;
    top_p?: number | undefined;
    base_url?: string | undefined;
    max_retries?: number | undefined;
    http_referer?: string | undefined;
    default_headers?: Record<string, string> | undefined;
}>;
type OpenRouterChatModelConfig = z.infer<typeof OpenRouterChatModelSchema>;
export declare class ChatOpenRouter extends AbstractChatModel {
    private config;
    private client;
    constructor(config: Partial<OpenRouterChatModelConfig> & {
        model: string;
    });
    get provider(): string;
    private extractUsage;
    private isRetryableError;
    ainvoke<T = string>(messages: BaseMessage[], outputFormat?: z.ZodSchema<T>): Promise<ChatInvokeCompletion<T>>;
}
export {};
//# sourceMappingURL=openrouter.d.ts.map