import { SSHExecutor } from '../ssh/executor.js';
import { ConfigManager } from '../config/manager.js';
export interface CommandResult {
    success: boolean;
    command: string;
    output: string;
    error?: string;
    server: string;
}
export declare class CommandExecutor {
    private sshExecutor;
    private configManager;
    constructor(sshExecutor?: SSHExecutor, configManager?: ConfigManager);
    execute(command: string, serverName?: string): Promise<CommandResult>;
    private getPreferredK3sNode;
    /**
     * 根据集群名获取其 preferred_node 服务器
     * @param clusterName - 集群名称
     * @returns 服务器配置，如果找不到则返回 undefined
     */
    private getServerByClusterName;
    closeAllConnections(): Promise<void>;
    getConnectionCount(): number;
}