/**
 * @zhin.js/ai - DeepSeek Provider
 * @see https://api-docs.deepseek.com/zh-cn/
 */
import { OpenAIProvider } from './openai.js';
import type { ProviderConfig, ChatCompletionRequest } from '../types.js';
/** DeepSeek 专用配置 */
export interface DeepSeekConfig extends ProviderConfig {
    /**
     * 思考模式下的推理强度（对应 API `reasoning_effort`）。
     * @see https://api-docs.deepseek.com/zh-cn/
     */
    reasoningEffort?: 'low' | 'medium' | 'high';
    /**
     * Tool Calls strict 模式需使用 Beta 端点。
     * 为 true 且未自定义 baseUrl 时，使用 `https://api.deepseek.com/beta`。
     * @see https://api-docs.deepseek.com/zh-cn/guides/tool_calls
     */
    strictTools?: boolean;
}
/** 官方模型 ID（含将于 2026-07-24 弃用的别名） */
export declare const DEEPSEEK_MODELS: readonly ["deepseek-v4-flash", "deepseek-v4-pro", "deepseek-chat", "deepseek-reasoner", "deepseek-coder"];
/**
 * DeepSeek API（OpenAI 兼容格式）
 *
 * - `base_url`: https://api.deepseek.com
 * - V4：`deepseek-v4-flash` / `deepseek-v4-pro`
 * - 兼容别名：`deepseek-chat`（V4-Flash 非思考）、`deepseek-reasoner`（V4-Flash 思考）
 */
export declare class DeepSeekProvider extends OpenAIProvider {
    name: string;
    models: string[];
    capabilities: {
        vision: boolean;
        streaming: boolean;
        toolCalling: boolean;
        thinking: boolean;
    };
    private reasoningEffort;
    constructor(config?: DeepSeekConfig);
    /** @see https://api-docs.deepseek.com/zh-cn/api/list-models */
    listModels(): Promise<string[]>;
    protected buildRequestBody(request: ChatCompletionRequest): Record<string, unknown>;
    /** 是否应开启 DeepSeek 思考模式（`thinking.type = enabled`） */
    static shouldEnableThinking(request: ChatCompletionRequest): boolean;
    private static applyThinkingParams;
}
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