PerformanceMonitor class

Performance monitoring utilities for native_workmanager.

Provides tools to track and analyze:

• Task execution time
• Memory usage
• Event dispatch latency
• Task throughput
• Chain execution performance

Example usage:

final monitor = PerformanceMonitor.instance;
monitor.enable();

// Tasks are automatically tracked when they run
await NativeWorkManager.enqueue(...);

// Get performance statistics
final stats = monitor.getStatistics();
print('Average task duration: ${stats.averageTaskDuration}ms');