import type { ServerConfig } from '../config/types.js';
export declare class EnvInstaller {
    private ssh;
    constructor();
    /**
     * Install Nginx on remote server
     */
    installNginx(server: ServerConfig): Promise<void>;
    /**
     * Install K3s on remote server
     */
    installK3s(server: ServerConfig): Promise<void>;
    /**
     * Install Docker Engine and Docker Compose support on remote server.
     */
    installDocker(server: ServerConfig): Promise<void>;
    /**
     * Ensure Docker Compose support exists.
     * The docker installer is idempotent and also repairs the compose shim/plugin.
     */
    installDockerCompose(server: ServerConfig): Promise<void>;
    /**
     * Install Helm binary on remote server.
     */
    installHelm(server: ServerConfig): Promise<void>;
    /**
     * Check if environment is installed
     */
    checkEnv(server: ServerConfig, env: 'nginx' | 'k3s' | 'helm' | 'docker' | 'docker-compose'): Promise<boolean>;
    /**
     * Ensure nginx runtime is ready without reinstalling it.
     * This is only used when nginx already exists but needs to be started
     * or its include path needs to be repaired.
     */
    ensureNginxRuntime(server: ServerConfig): Promise<void>;
}