/**
 * Gemini CLI Protocol Client
 *
 * 处理 Gemini CLI API 的协议层逻辑
 * - 请求体构建
 * - Endpoint 解析
 * - Header 最终化（添加 OAuth Bearer token）
 */
import type { HttpProtocolClient, ProtocolRequestPayload } from '../http-protocol-client.js';
export declare class GeminiCLIProtocolClient implements HttpProtocolClient<ProtocolRequestPayload> {
    buildRequestBody(request: ProtocolRequestPayload): Record<string, unknown>;
    resolveEndpoint(request: ProtocolRequestPayload, _defaultEndpoint: string): string;
    finalizeHeaders(headers: Record<string, string>, _request: ProtocolRequestPayload): Record<string, string>;
    private extractPayload;
}
export default GeminiCLIProtocolClient;