/**
 * Shell Photon - Command-Line Execution
 *
 * Provides basic shell command execution capabilities.
 * Enable with: NCP_ENABLE_SHELL=true
 *
 * Use with CLI discovery (NCP_CLI_AUTOSCAN=true) to get enhanced
 * tool suggestions based on available system commands.
 */
export default class ShellMCP {
    name: string;
    description: string;
    /**
     * Check if this MCP should be loaded based on environment
     */
    shouldLoad(): Promise<boolean>;
    /**
     * Execute a shell command
     */
    execute(params: {
        command: string;
        cwd?: string;
        timeout?: number;
        env?: Record<string, string>;
    }): Promise<{
        stdout: string;
        stderr: string;
        exitCode: number;
    }>;
    /**
     * Run a command and return only stdout (convenience method)
     */
    run(params: {
        command: string;
        cwd?: string;
        timeout?: number;
    }): Promise<{
        output: string;
    }>;
    /**
     * Check if a command exists on the system
     */
    which(params: {
        command: string;
    }): Promise<{
        path: string | null;
        exists: boolean;
    }>;
    /**
     * Get environment variable value
     */
    getEnv(params: {
        variable: string;
    }): Promise<{
        value: string | undefined;
    }>;
    /**
     * List files in a directory
     */
    ls(params: {
        path?: string;
        all?: boolean;
        long?: boolean;
    }): Promise<{
        output: string;
    }>;
    /**
     * Get current working directory
     */
    pwd(): Promise<{
        path: string;
    }>;
    /**
     * Change directory and execute command
     */
    cd(params: {
        path: string;
        command?: string;
    }): Promise<{
        output: string;
        newPath: string;
    }>;
}
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