import { OpenAIChatCompletionsLang } from "../openai/openai-chat-completions-lang.ts";
import { LangOptions, LangMessage } from "../language-provider.ts";
import { LangMessages } from "../messages.ts";
export type DeepSeekLangOptions = {
    apiKey: string;
    model?: string;
    systemPrompt?: string;
    maxTokens?: number;
    defaultOptions?: LangOptions;
};
export declare class DeepSeekLang extends OpenAIChatCompletionsLang {
    constructor(options: DeepSeekLangOptions);
    supportsReasoning(): boolean;
    protected handleStreamData(data: any, result: LangMessages, onResult?: (result: LangMessage) => void): void;
}