Constructor class abstract final

Provides reflective access to class constructor metadata and instantiation.

This interface enables runtime inspection and invocation of class constructors, including access to:

• Constructor parameters
• Factory constructor detection
• Instance creation
• Declaring class information

{@template constructor_interface_features}

Key Features

• Named and unnamed constructor support
• Parameter inspection
• Type-safe instance creation
• Factory constructor handling

Implementation Notes

Concrete implementations typically wrap platform-specific reflection objects while providing this uniform interface.

Example Usage

// Get constructor metadata
final namedConstructor = userClass.getConstructor('fromJson');

// Inspect parameters
if (namedConstructor.getParameterCount() > 0) {
  final firstParam = namedConstructor.getParameterAt(0);
  print('First parameter: ${firstParam.getName()}');
}

// Create instances
final user = namedConstructor.newInstance({'json': userData});

{@endtemplate}