anchor.diff:  /// Returns a newly constructed [SyntheticMouseEvent] instance.
   ///
   /// In addition to creating empty instances (by invoking without any parameters) or completely custom instances
  -/// by using the named parameters, this method will merge previously existing [baseEvent]s with the named parameters provided.
  +/// by using the named parameters, this function will merge previously existing [baseEvent]s with the named parameters provided.
   /// The named parameters takes precedence, and therefore can be used to override specific fields on the [baseEvent].
   SyntheticMouseEvent createSyntheticMouseEvent({
     SyntheticMouseEvent baseEvent,
  
positive.code: /// Returns a newly constructed [SyntheticFormEvent] instance.
  ///
  /// In addition to creating empty instances (by invoking without any parameters) or completely custom instances
  /// by using the named parameters, this method will merge previously existing [baseEvent]s with the named parameters provided.
  /// The named parameters takes precedence, and therefore can be used to override specific fields on the [baseEvent].
  SyntheticFormEvent createSyntheticFormEvent({
    SyntheticFormEvent baseEvent,
  
negative.code: 
  import '../../react.dart';
  
  /// Returns an empty [SyntheticEvent] with only the defaults set.
  ///
  /// This utility can be useful when a test just needs access to an event object,
  /// but no fields need to be set.
  SyntheticEvent getEmptySyntheticEvent() => createSyntheticEvent();
  
  /// Returns an empty [SyntheticClipboardEvent] with only the defaults set.
  ///
  /// This utility can be useful when a test just needs access to an event object,
  /// but no fields need to be set.
  SyntheticClipboardEvent getEmptyClipboardEvent() => createSyntheticClipboardEvent();
  
  /// Returns an empty [SyntheticKeyboardEvent] with only the defaults set.
  ///
  /// This utility can be useful when a test just needs access to an event object,
  /// but no fields need to be set.
  SyntheticKeyboardEvent getEmptyKeyboardEvent() => createSyntheticKeyboardEvent();
  
  /// Returns an empty [SyntheticCompositionEvent] with only the defaults set.
  ///
  /// This utility can be useful when a test just needs access to an event object,
  /// but no fields need to be set.
  SyntheticCompositionEvent getEmptyCompositionEvent() => createSyntheticCompositionEvent();
  
  /// Returns an empty [SyntheticFocusEvent] with only the defaults set.
  ///
  /// This utility can be useful when a test just needs access to an event object,
  /// but no fields need to be set.
  SyntheticFocusEvent getEmptyFocusEvent() => createSyntheticFocusEvent();
  
  /// Returns an empty [SyntheticFormEvent] with only the defaults set.
  ///
  /// This utility can be useful when a test just needs access to an event object,
  /// but no fields need to be set.
  SyntheticFormEvent getEmptyFormEvent() => createSyntheticFormEvent();
  
  /// Returns an empty [SyntheticMouseEvent] with only the defaults set.
  ///
  /// This utility can be useful when a test just needs access to an event object,
  /// but no fields need to be set.
  SyntheticMouseEvent getEmptyMouseEvent() => createSyntheticMouseEvent();
  
  /// Returns an empty [SyntheticPointerEvent] with only the defaults set.
  ///
  /// This utility can be useful when a test just needs access to an event object,
  /// but no fields need to be set.
  SyntheticPointerEvent getEmptyPointerEvent() => createSyntheticPointerEvent();
  
  /// Returns an empty [SyntheticTouchEvent] with only the defaults set.
  ///
  /// This utility can be useful when a test just needs access to an event object,
  /// but no fields need to be set.
  SyntheticTouchEvent getEmptyTouchEvent() => createSyntheticTouchEvent();
  
  /// Returns an empty [SyntheticTransitionEvent] with only the defaults set.
  ///
  /// This utility can be useful when a test just needs access to an event object,
  /// but no fields need to be set.
  SyntheticTransitionEvent getEmptyTransitionEvent() => createSyntheticTransitionEvent();
  
  /// Returns an empty [SyntheticAnimationEvent] with only the defaults set.
  ///
  /// This utility can be useful when a test just needs access to an event object,
  /// but no fields need to be set.
  SyntheticAnimationEvent getEmptyAnimationEvent() => createSyntheticAnimationEvent();
  
  /// Returns an empty [SyntheticUIEvent] with only the defaults set.
  ///
  /// This utility can be useful when a test just needs access to an event object,
  /// but no fields need to be set.
  SyntheticUIEvent getEmptyUIEvent() => createSyntheticUIEvent();
  
  /// Returns an empty [SyntheticWheelEvent] with only the defaults set.
  ///
  /// This utility can be useful when a test just needs access to an event object,
  /// but no fields need to be set.
  