import BaseProxy from "../../common/BaseProxy";
import type { ChatCompletionsProxyInput, SSECallbacks } from "../../common/types";
/**
 * ChatCompletionsToResponsesProxy — Chat Completions → Responses 转换代理
 *
 * 将 Chat Completions 格式的请求转换为 Responses 格式，
 * 通过 /chat/completions 端点调用上游，再将响应转换回 Responses 格式。
 *
 * 参考 cc-switch：chat_completion_to_response
 */
export default class ChatCompletionsToResponsesProxy extends BaseProxy<ChatCompletionsProxyInput, void, Record<string, unknown>> {
    private callbacks?;
    setCallbacks(callbacks: SSECallbacks): this;
    protected validate(input: ChatCompletionsProxyInput): void;
    protected optimizeInput(input: ChatCompletionsProxyInput): ChatCompletionsProxyInput;
    protected transformRequest(input: ChatCompletionsProxyInput): Record<string, unknown>;
    protected buildEndpoint(input: ChatCompletionsProxyInput): string;
    protected proxy(input: ChatCompletionsProxyInput, body: Record<string, unknown>, endpoint: string): Promise<void>;
    execute(input: ChatCompletionsProxyInput, callbacks?: SSECallbacks): Promise<void>;
}
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