import { Command } from 'commander';
/**
 * CLI command to list all configured MCP (Model Context Protocol) servers.
 *
 * This command provides a comprehensive overview of all MCP servers that have been
 * configured in the MCP Hub Lite system. It displays essential information about
 * each server including its name, type, enabled status, and the number of active
 * instances.
 *
 * The command supports two output formats:
 * - **Table format** (default): Human-readable tabular display showing key server information
 * - **JSON format**: Machine-readable JSON output containing complete server details
 *
 * ## Usage Examples
 *
 * ```bash
 * # List servers in default table format
 * mcp-hub-lite list
 *
 * # List servers in JSON format for programmatic processing
 * mcp-hub-lite list --format json
 *
 * # List servers in table format (explicit)
 * mcp-hub-lite list --format table
 * ```
 *
 * ## Output Fields (Table Format)
 *
 * - **Name**: The unique identifier/name of the MCP server
 * - **Instances**: Number of active instances running for this server
 * - **Type**: The transport type of the server (e.g., 'http', 'stdio', 'sse')
 * - **Enabled**: Boolean indicating whether the server is currently enabled
 *
 * ## Error Handling
 *
 * If the command fails to retrieve server information (e.g., due to configuration
 * issues or file system errors), it will display an error message and exit with
 * status code 1.
 *
 * ## Use Cases
 *
 * - **System Administration**: Quickly verify which MCP servers are configured
 * - **Debugging**: Check server status and configuration during development
 * - **Automation**: Use JSON output format for integration with other tools
 * - **Monitoring**: Verify that expected servers are properly registered
 *
 * @example
 * // Default table output
 * MCP Servers:
 * ┌─────────┬────────────┬────────┬─────────┐
 * │ (index) │    Name    │Instances│  Type   │ Enabled │
 * ├─────────┼────────────┼────────┼─────────┤
 * │    0    │ 'my-server'│    1   │ 'http'  │  true   │
 * └─────────┴────────────┴────────┴─────────┘
 *
 * @example
 * // JSON output format
 * [
 *   {
 *     "name": "my-server",
 *     "config": {
 *       "type": "http",
 *       "enabled": true,
 *       // ... other config properties
 *     },
 *     "instances": [...]
 *   }
 * ]
 */
export declare const listCommand: Command;
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