import type { ServerConfig } from '@/config/types';
export declare class SSHClient {
    private ssh;
    private server;
    private connected;
    constructor(server: ServerConfig);
    /**
     * 展开路径中的 ~ 为用户主目录（跨平台兼容）
     */
    private expandPath;
    connect(): Promise<void>;
    execute(command: string): Promise<string>;
    executeWithOutput(command: string): Promise<{
        stdout: string;
        stderr: string;
        exitCode?: number;
    }>;
    isConnected(): boolean;
    disconnect(): Promise<void>;
}