getMainApplicationClass abstract method

Returns the main application class.

This is the class that was used to bootstrap the application and serves as the primary configuration source and entry point.

Framework Usage:

• Component Scanning: Base package for annotation scanning
• Configuration Detection: Source for @Configuration classes
• Banner Display: Used in startup banner presentation
• Metadata Access: Provides application metadata and version info

Example:

final mainClass = context.getMainApplicationClass();

print('Main application class: ${mainClass.getSimpleName()}');
print('Package: ${mainClass.getPackage()?.getName()}');

// Check for specific annotations
if (mainClass.hasAnnotation<SpringBootApplication>()) {
  print('This is a Spring Boot application');
}