@clduab11/gemini-flow/src/services/google-services/mariner-automation.ts

Revolutionary AI agent swarm coordination platform with Google Services integration, multimedia processing, and production-ready monitoring. Features 8 Google AI services, quantum computing capabilities, and enterprise-grade security.

/**
 * Mariner Automation with Browser Orchestration
 *
 * Advanced browser automation engine with AI-driven testing,
 * performance monitoring, and intelligent task orchestration.
 */

import { EventEmitter } from "events";
import { Logger } from "../../utils/logger.js";
import {
  BrowserOrchestrationConfig,
  AutomationTask,
  AutomationStep,
  TaskCondition,
  RetryPolicy,
  ServiceResponse,
  ServiceError,
  PerformanceMetrics,
} from "./interfaces.js";

export interface MarinerAutomationConfig {
  browser: BrowserConfig;
  orchestration: OrchestrationConfig;
  ai: AIConfig;
  monitoring: MonitoringConfig;
  plugins: PluginConfig[];
}

export interface BrowserConfig {
  engine: "chromium" | "firefox" | "webkit";
  headless: boolean;
  devtools: boolean;
  proxy?: ProxyConfig;
  userAgent?: string;
  viewport: ViewportConfig;
  performance: PerformanceConfig;
}

export interface ProxyConfig {
  server: string;
  username?: string;
  password?: string;
  bypass?: string[];
}

export interface ViewportConfig {
  width: number;
  height: number;
  deviceScaleFactor: number;
  isMobile: boolean;
  hasTouch: boolean;
  isLandscape: boolean;
}

export interface PerformanceConfig {
  cpuThrottling: number;
  networkThrottling?: NetworkThrottling;
  cacheDisabled: boolean;
  javascriptEnabled: boolean;
  imagesEnabled: boolean;
}

export interface NetworkThrottling {
  offline: boolean;
  downloadThroughput: number;
  uploadThroughput: number;
  latency: number;
}

export interface OrchestrationConfig {
  maxConcurrentBrowsers: number;
  taskQueue: TaskQueueConfig;
  scheduling: SchedulingConfig;
  resourceManagement: ResourceManagementConfig;
}

export interface TaskQueueConfig {
  maxSize: number;
  priority: "fifo" | "lifo" | "priority" | "deadline";
  timeout: number;
  retries: number;
}

export interface SchedulingConfig {
  algorithm: "round_robin" | "least_loaded" | "priority" | "deadline";
  loadBalancing: boolean;
  affinity: boolean;
}

export interface ResourceManagementConfig {
  memoryLimit: number; // MB
  cpuLimit: number; // percentage
  diskSpace: number; // MB
  cleanupInterval: number; // seconds
}

export interface AIConfig {
  enabled: boolean;
  model: string;
  capabilities: AICapability[];
  learning: LearningConfig;
}

export interface AICapability {
  name: string;
  type: "vision" | "text" | "interaction" | "prediction";
  confidence: number;
  fallback?: string;
}

export interface LearningConfig {
  enabled: boolean;
  dataCollection: boolean;
  modelUpdates: boolean;
  feedbackLoop: boolean;
}

export interface MonitoringConfig {
  performance: boolean;
  screenshots: boolean;
  videos: boolean;
  networkLogs: boolean;
  consoleLogs: boolean;
  metrics: MetricsConfig;
}

export interface MetricsConfig {
  loadTime: boolean;
  networkRequests: boolean;
  memoryUsage: boolean;
  cpuUsage: boolean;
  errors: boolean;
}

export interface PluginConfig {
  name: string;
  enabled: boolean;
  configuration: Record<string, any>;
}

export interface TaskExecution {
  id: string;
  task: AutomationTask;
  status: "pending" | "running" | "completed" | "failed" | "cancelled";
  startTime?: Date;
  endTime?: Date;
  result?: TaskResult;
  error?: TaskError;
  metrics?: ExecutionMetrics;
}

export interface TaskResult {
  success: boolean;
  data: any;
  screenshots: string[];
  logs: LogEntry[];
  extractedData: Record<string, any>;
}

export interface TaskError {
  message: string;
  stack?: string;
  step?: number;
  screenshot?: string;
  retryable: boolean;
}

export interface ExecutionMetrics {
  duration: number;
  stepsExecuted: number;
  memoryUsed: number;
  networkRequests: number;
  errorsEncountered: number;
}

export interface LogEntry {
  timestamp: Date;
  level: "debug" | "info" | "warn" | "error";
  message: string;
  source: string;
  data?: any;
}

export class MarinerAutomation extends EventEmitter {
  private logger: Logger;
  private config: MarinerAutomationConfig;
  private browsers: Map<string, BrowserSession> = new Map();
  private taskQueue: TaskQueue;
  private scheduler: TaskScheduler;
  private aiEngine: AIEngine;
  private monitoringService: BrowserMonitoringService;
  private pluginManager: PluginManager;
  private resourceManager: ResourceManager;

  constructor(config: MarinerAutomationConfig) {
    super();
    this.config = config;
    this.logger = new Logger("MarinerAutomation");

    this.initializeComponents();
    this.setupEventHandlers();
  }

  /**
   * Initializes the automation engine
   */
  async initialize(): Promise<void> {
    try {
      this.logger.info("Initializing Mariner Automation Engine");

      // Initialize AI engine
      if (this.config.ai.enabled) {
        await this.aiEngine.initialize();
      }

      // Initialize plugins
      await this.pluginManager.initialize();

      // Start monitoring service
      await this.monitoringService.start();

      // Start resource manager
      await this.resourceManager.start();

      this.emit("initialized");
    } catch (error) {
      this.logger.error("Failed to initialize automation engine", error);
      throw error;
    }
  }

  /**
   * Submits a task for execution
   */
  async submitTask(task: AutomationTask): Promise<ServiceResponse<string>> {
    try {
      this.logger.info("Submitting automation task", {
        taskId: task.id,
        name: task.name,
      });

      // Validate task
      await this.validateTask(task);

      // Optimize task using AI
      if (this.config.ai.enabled) {
        task = await this.aiEngine.optimizeTask(task);
      }

      // Create task execution
      const execution: TaskExecution = {
        id: task.id,
        task,
        status: "pending",
      };

      // Submit to queue
      await this.taskQueue.enqueue(execution);

      this.emit("task:submitted", { taskId: task.id });

      return {
        success: true,
        data: task.id,
        metadata: {
          requestId: this.generateRequestId(),
          timestamp: new Date(),
          processingTime: 0,
          region: "local",
        },
      };
    } catch (error) {
      this.logger.error("Failed to submit task", { taskId: task.id, error });
      return this.createErrorResponse("TASK_SUBMISSION_FAILED", error.message);
    }
  }

  /**
   * Executes a task immediately
   */
  async executeTask(
    task: AutomationTask,
  ): Promise<ServiceResponse<TaskResult>> {
    const startTime = Date.now();

    try {
      this.logger.info("Executing automation task", {
        taskId: task.id,
        name: task.name,
      });

      // Validate task
      await this.validateTask(task);

      // Get browser session
      const browser = await this.acquireBrowser();

      try {
        // Execute task steps
        const result = await this.executeTaskSteps(task, browser);

        // Collect metrics
        const metrics: ExecutionMetrics = {
          duration: Date.now() - startTime,
          stepsExecuted: task.steps.length,
          memoryUsed: await browser.getMemoryUsage(),
          networkRequests: await browser.getNetworkRequestCount(),
          errorsEncountered: result.logs.filter((log) => log.level === "error")
            .length,
        };

        this.emit("task:completed", { taskId: task.id, result, metrics });

        return {
          success: true,
          data: result,
          metadata: {
            requestId: this.generateRequestId(),
            timestamp: new Date(),
            processingTime: metrics.duration,
            region: "local",
          },
        };
      } finally {
        await this.releaseBrowser(browser);
      }
    } catch (error) {
      this.logger.error("Task execution failed", { taskId: task.id, error });
      this.emit("task:failed", { taskId: task.id, error });

      return {
        success: false,
        error: {
          code: "TASK_EXECUTION_FAILED",
          message: error.message,
          retryable: this.isRetryableError(error),
          timestamp: new Date(),
        },
        metadata: {
          requestId: this.generateRequestId(),
          timestamp: new Date(),
          processingTime: Date.now() - startTime,
          region: "local",
        },
      };
    }
  }

  /**
   * Gets task execution status
   */
  async getTaskStatus(taskId: string): Promise<ServiceResponse<TaskExecution>> {
    try {
      const execution = await this.taskQueue.getExecution(taskId);

      if (!execution) {
        throw new Error(`Task not found: ${taskId}`);
      }

      return {
        success: true,
        data: execution,
        metadata: {
          requestId: this.generateRequestId(),
          timestamp: new Date(),
          processingTime: 0,
          region: "local",
        },
      };
    } catch (error) {
      this.logger.error("Failed to get task status", { taskId, error });
      return this.createErrorResponse("TASK_STATUS_FAILED", error.message);
    }
  }

  /**
   * Cancels a task execution
   */
  async cancelTask(taskId: string): Promise<ServiceResponse<void>> {
    try {
      this.logger.info("Cancelling task", { taskId });

      await this.taskQueue.cancel(taskId);

      this.emit("task:cancelled", { taskId });

      return {
        success: true,
        metadata: {
          requestId: this.generateRequestId(),
          timestamp: new Date(),
          processingTime: 0,
          region: "local",
        },
      };
    } catch (error) {
      this.logger.error("Failed to cancel task", { taskId, error });
      return this.createErrorResponse(
        "TASK_CANCELLATION_FAILED",
        error.message,
      );
    }
  }

  /**
   * Gets automation performance metrics
   */
  async getMetrics(): Promise<ServiceResponse<PerformanceMetrics>> {
    try {
      const metrics = await this.monitoringService.getMetrics();

      return {
        success: true,
        data: metrics,
        metadata: {
          requestId: this.generateRequestId(),
          timestamp: new Date(),
          processingTime: 0,
          region: "local",
        },
      };
    } catch (error) {
      this.logger.error("Failed to get metrics", error);
      return this.createErrorResponse("METRICS_GET_FAILED", error.message);
    }
  }

  /**
   * Shuts down the automation engine
   */
  async shutdown(): Promise<void> {
    this.logger.info("Shutting down Mariner Automation Engine");

    try {
      // Stop accepting new tasks
      await this.taskQueue.stop();

      // Close all browser sessions
      await this.closeAllBrowsers();

      // Stop monitoring
      await this.monitoringService.stop();

      // Stop resource manager
      await this.resourceManager.stop();

      // Shutdown plugins
      await this.pluginManager.shutdown();

      // Shutdown AI engine
      if (this.config.ai.enabled) {
        await this.aiEngine.shutdown();
      }

      this.emit("shutdown");
    } catch (error) {
      this.logger.error("Error during shutdown", error);
      throw error;
    }
  }

  // ==================== Private Helper Methods ====================

  private initializeComponents(): void {
    this.taskQueue = new TaskQueue(this.config.orchestration.taskQueue);
    this.scheduler = new TaskScheduler(this.config.orchestration.scheduling);
    this.aiEngine = new AIEngine(this.config.ai);
    this.monitoringService = new BrowserMonitoringService(
      this.config.monitoring,
    );
    this.pluginManager = new PluginManager(this.config.plugins);
    this.resourceManager = new ResourceManager(
      this.config.orchestration.resourceManagement,
    );
  }

  private setupEventHandlers(): void {
    this.taskQueue.on("task:ready", this.handleTaskReady.bind(this));
    this.resourceManager.on("resource:low", this.handleLowResources.bind(this));
    this.monitoringService.on(
      "performance:degraded",
      this.handlePerformanceDegradation.bind(this),
    );
  }

  private async validateTask(task: AutomationTask): Promise<void> {
    if (!task.id || !task.name || !task.steps || task.steps.length === 0) {
      throw new Error("Invalid task structure");
    }

    // Validate each step
    for (const step of task.steps) {
      if (!this.isValidStep(step)) {
        throw new Error(`Invalid step: ${JSON.stringify(step)}`);
      }
    }

    // Validate conditions
    for (const condition of task.conditions || []) {
      if (!this.isValidCondition(condition)) {
        throw new Error(`Invalid condition: ${JSON.stringify(condition)}`);
      }
    }
  }

  private isValidStep(step: AutomationStep): boolean {
    const validTypes = [
      "navigate",
      "click",
      "type",
      "wait",
      "extract",
      "script",
    ];
    return validTypes.includes(step.type);
  }

  private isValidCondition(condition: TaskCondition): boolean {
    const validTypes = [
      "element_present",
      "element_visible",
      "text_contains",
      "url_matches",
    ];
    return validTypes.includes(condition.type);
  }

  private async acquireBrowser(): Promise<BrowserSession> {
    // Check for available browser
    const availableBrowser = this.getAvailableBrowser();
    if (availableBrowser) {
      return availableBrowser;
    }

    // Create new browser if under limit
    if (this.browsers.size < this.config.orchestration.maxConcurrentBrowsers) {
      return await this.createBrowser();
    }

    // Wait for browser to become available
    return await this.waitForAvailableBrowser();
  }

  private getAvailableBrowser(): BrowserSession | null {
    for (const browser of this.browsers.values()) {
      if (!browser.isBusy()) {
        return browser;
      }
    }
    return null;
  }

  private async createBrowser(): Promise<BrowserSession> {
    const browserId = this.generateBrowserId();
    const browser = new BrowserSession(browserId, this.config.browser);

    await browser.launch();
    this.browsers.set(browserId, browser);

    this.logger.debug("Created new browser session", { browserId });
    return browser;
  }

  private async waitForAvailableBrowser(): Promise<BrowserSession> {
    return new Promise((resolve, reject) => {
      const timeout = setTimeout(() => {
        reject(new Error("Timeout waiting for available browser"));
      }, 30000); // 30 second timeout

      const checkAvailability = () => {
        const browser = this.getAvailableBrowser();
        if (browser) {
          clearTimeout(timeout);
          resolve(browser);
        } else {
          setTimeout(checkAvailability, 1000);
        }
      };

      checkAvailability();
    });
  }

  private async releaseBrowser(browser: BrowserSession): Promise<void> {
    browser.markAvailable();

    // Cleanup if needed
    if (await browser.needsCleanup()) {
      await browser.cleanup();
    }
  }

  private async executeTaskSteps(
    task: AutomationTask,
    browser: BrowserSession,
  ): Promise<TaskResult> {
    const logs: LogEntry[] = [];
    const screenshots: string[] = [];
    const extractedData: Record<string, any> = {};

    try {
      browser.markBusy();

      // Setup monitoring
      if (this.config.monitoring.screenshots) {
        await browser.enableScreenshots();
      }

      if (this.config.monitoring.networkLogs) {
        await browser.enableNetworkLogging();
      }

      // Execute steps
      for (let i = 0; i < task.steps.length; i++) {
        const step = task.steps[i];

        this.logger.debug("Executing step", {
          taskId: task.id,
          stepIndex: i,
          step,
        });

        try {
          await this.executeStep(step, browser);

          // Check conditions after each step
          await this.checkConditions(task.conditions || [], browser);

          // Take screenshot if enabled
          if (this.config.monitoring.screenshots) {
            const screenshot = await browser.takeScreenshot();
            screenshots.push(screenshot);
          }

          logs.push({
            timestamp: new Date(),
            level: "info",
            message: `Step ${i + 1} completed: ${step.type}`,
            source: "automation",
            data: { step },
          });
        } catch (error) {
          logs.push({
            timestamp: new Date(),
            level: "error",
            message: `Step ${i + 1} failed: ${error.message}`,
            source: "automation",
            data: { step, error: error.message },
          });

          if (!step.optional) {
            throw error;
          }
        }
      }

      return {
        success: true,
        data: extractedData,
        screenshots,
        logs,
        extractedData,
      };
    } finally {
      browser.markAvailable();
    }
  }

  private async executeStep(
    step: AutomationStep,
    browser: BrowserSession,
  ): Promise<void> {
    switch (step.type) {
      case "navigate":
        await browser.navigate(step.value);
        break;

      case "click":
        await browser.click(step.selector!, step.timeout);
        break;

      case "type":
        await browser.type(step.selector!, step.value, step.timeout);
        break;

      case "wait":
        if (step.selector) {
          await browser.waitForElement(step.selector, step.timeout);
        } else {
          await browser.wait(step.value || 1000);
        }
        break;

      case "extract":
        return await browser.extractData(step.selector!, step.value);

      case "script":
        return await browser.executeScript(step.value);

      default:
        throw new Error(`Unknown step type: ${step.type}`);
    }
  }

  private async checkConditions(
    conditions: TaskCondition[],
    browser: BrowserSession,
  ): Promise<void> {
    for (const condition of conditions) {
      const result = await this.evaluateCondition(condition, browser);

      if (condition.negated ? result : !result) {
        throw new Error(`Condition failed: ${JSON.stringify(condition)}`);
      }
    }
  }

  private async evaluateCondition(
    condition: TaskCondition,
    browser: BrowserSession,
  ): Promise<boolean> {
    switch (condition.type) {
      case "element_present":
        return await browser.isElementPresent(condition.selector!);

      case "element_visible":
        return await browser.isElementVisible(condition.selector!);

      case "text_contains":
        const text = await browser.getText(condition.selector!);
        return text.includes(condition.value!);

      case "url_matches":
        const url = await browser.getCurrentUrl();
        return new RegExp(condition.value!).test(url);

      default:
        throw new Error(`Unknown condition type: ${condition.type}`);
    }
  }

  private async closeAllBrowsers(): Promise<void> {
    const closePromises = Array.from(this.browsers.values()).map((browser) =>
      browser.close(),
    );
    await Promise.allSettled(closePromises);
    this.browsers.clear();
  }

  private isRetryableError(error: any): boolean {
    const retryableCodes = ["NETWORK_ERROR", "TIMEOUT", "ELEMENT_NOT_FOUND"];
    return retryableCodes.includes(error.code);
  }

  private generateBrowserId(): string {
    return `browser_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
  }

  private generateRequestId(): string {
    return `req_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
  }

  private createErrorResponse(
    code: string,
    message: string,
  ): ServiceResponse<any> {
    return {
      success: false,
      error: {
        code,
        message,
        retryable: false,
        timestamp: new Date(),
      },
      metadata: {
        requestId: this.generateRequestId(),
        timestamp: new Date(),
        processingTime: 0,
        region: "local",
      },
    };
  }

  private handleTaskReady(task: TaskExecution): void {
    // Schedule task for execution
    this.scheduler.schedule(task);
  }

  private handleLowResources(event: any): void {
    this.logger.warn("Low resources detected", event);
    this.emit("resources:low", event);
  }

  private handlePerformanceDegradation(event: any): void {
    this.logger.warn("Performance degradation detected", event);
    this.emit("performance:degraded", event);
  }
}

// ==================== Supporting Classes ====================

class BrowserSession {
  public readonly id: string;
  private config: BrowserConfig;
  private logger: Logger;
  private page: any; // Browser page instance
  private busy: boolean = false;

  constructor(id: string, config: BrowserConfig) {
    this.id = id;
    this.config = config;
    this.logger = new Logger(`BrowserSession:${id}`);
  }

  async launch(): Promise<void> {
    this.logger.debug("Launching browser session");
    // Browser launch implementation
  }

  async close(): Promise<void> {
    this.logger.debug("Closing browser session");
    // Browser close implementation
  }

  isBusy(): boolean {
    return this.busy;
  }

  markBusy(): void {
    this.busy = true;
  }

  markAvailable(): void {
    this.busy = false;
  }

  async needsCleanup(): boolean {
    // Check if browser needs cleanup
    return false;
  }

  async cleanup(): Promise<void> {
    // Cleanup browser state
  }

  async enableScreenshots(): Promise<void> {
    // Enable screenshot functionality
  }

  async enableNetworkLogging(): Promise<void> {
    // Enable network logging
  }

  async takeScreenshot(): Promise<string> {
    // Take screenshot and return base64 string
    return "base64_screenshot_data";
  }

  async navigate(url: string): Promise<void> {
    // Navigate to URL
  }

  async click(selector: string, timeout?: number): Promise<void> {
    // Click element
  }

  async type(selector: string, text: string, timeout?: number): Promise<void> {
    // Type text into element
  }

  async wait(ms: number): Promise<void> {
    return new Promise((resolve) => setTimeout(resolve, ms));
  }

  async waitForElement(selector: string, timeout?: number): Promise<void> {
    // Wait for element to appear
  }

  async extractData(selector: string, attribute?: string): Promise<any> {
    // Extract data from element
    return {};
  }

  async executeScript(script: string): Promise<any> {
    // Execute JavaScript
    return {};
  }

  async isElementPresent(selector: string): Promise<boolean> {
    // Check if element is present
    return true;
  }

  async isElementVisible(selector: string): Promise<boolean> {
    // Check if element is visible
    return true;
  }

  async getText(selector: string): Promise<string> {
    // Get element text
    return "";
  }

  async getCurrentUrl(): Promise<string> {
    // Get current URL
    return "";
  }

  async getMemoryUsage(): Promise<number> {
    // Get memory usage in MB
    return 0;
  }

  async getNetworkRequestCount(): Promise<number> {
    // Get network request count
    return 0;
  }
}

class TaskQueue extends EventEmitter {
  private config: TaskQueueConfig;
  private executions: Map<string, TaskExecution> = new Map();
  private queue: TaskExecution[] = [];
  private running: boolean = true;

  constructor(config: TaskQueueConfig) {
    super();
    this.config = config;
  }

  async enqueue(execution: TaskExecution): Promise<void> {
    if (this.queue.length >= this.config.maxSize) {
      throw new Error("Task queue is full");
    }

    this.queue.push(execution);
    this.executions.set(execution.id, execution);

    this.emit("task:queued", execution);
    this.processQueue();
  }

  async getExecution(taskId: string): Promise<TaskExecution | undefined> {
    return this.executions.get(taskId);
  }

  async cancel(taskId: string): Promise<void> {
    const execution = this.executions.get(taskId);
    if (execution && execution.status === "pending") {
      execution.status = "cancelled";
      this.removeFromQueue(taskId);
    }
  }

  async stop(): Promise<void> {
    this.running = false;
  }

  private processQueue(): void {
    if (!this.running || this.queue.length === 0) return;

    const execution = this.queue.shift();
    if (execution && execution.status === "pending") {
      this.emit("task:ready", execution);
    }
  }

  private removeFromQueue(taskId: string): void {
    this.queue = this.queue.filter((exec) => exec.id !== taskId);
  }
}

class TaskScheduler {
  private config: SchedulingConfig;

  constructor(config: SchedulingConfig) {
    this.config = config;
  }

  schedule(execution: TaskExecution): void {
    // Task scheduling implementation
    execution.status = "running";
    execution.startTime = new Date();
  }
}

class AIEngine {
  private config: AIConfig;
  private logger: Logger;

  constructor(config: AIConfig) {
    this.config = config;
    this.logger = new Logger("AIEngine");
  }

  async initialize(): Promise<void> {
    this.logger.info("Initializing AI engine");
  }

  async shutdown(): Promise<void> {
    this.logger.info("Shutting down AI engine");
  }

  async optimizeTask(task: AutomationTask): Promise<AutomationTask> {
    // AI-based task optimization
    return task;
  }
}

class BrowserMonitoringService extends EventEmitter {
  private config: MonitoringConfig;
  private logger: Logger;

  constructor(config: MonitoringConfig) {
    super();
    this.config = config;
    this.logger = new Logger("BrowserMonitoringService");
  }

  async start(): Promise<void> {
    this.logger.info("Starting browser monitoring service");
  }

  async stop(): Promise<void> {
    this.logger.info("Stopping browser monitoring service");
  }

  async getMetrics(): Promise<PerformanceMetrics> {
    return {
      latency: { mean: 0, p50: 0, p95: 0, p99: 0, max: 0 },
      throughput: {
        requestsPerSecond: 0,
        bytesPerSecond: 0,
        operationsPerSecond: 0,
      },
      utilization: { cpu: 0, memory: 0, disk: 0, network: 0 },
      errors: { rate: 0, percentage: 0, types: {} },
    };
  }
}

class PluginManager {
  private plugins: PluginConfig[];
  private logger: Logger;

  constructor(plugins: PluginConfig[]) {
    this.plugins = plugins;
    this.logger = new Logger("PluginManager");
  }

  async initialize(): Promise<void> {
    this.logger.info("Initializing plugins");
  }

  async shutdown(): Promise<void> {
    this.logger.info("Shutting down plugins");
  }
}

class ResourceManager extends EventEmitter {
  private config: ResourceManagementConfig;
  private logger: Logger;

  constructor(config: ResourceManagementConfig) {
    super();
    this.config = config;
    this.logger = new Logger("ResourceManager");
  }

  async start(): Promise<void> {
    this.logger.info("Starting resource manager");
  }

  async stop(): Promise<void> {
    this.logger.info("Stopping resource manager");
  }
}