import type { z } from 'zod';
import { type ChatMessage, type LLMProvider } from './provider.js';
export declare class OpenAIProvider implements LLMProvider {
    private client;
    private encoder;
    readonly modelId: string;
    readonly providerName = "openai";
    constructor(apiKey: string, model?: string);
    chat(messages: ChatMessage[]): Promise<string>;
    chatStructured<T>(messages: ChatMessage[], schema: z.ZodType<T>, schemaName: string): Promise<T>;
    countTokens(text: string): number;
}
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