child property
      
      PositionComponent?
      get
      child
      
    
    
The component that will be positioned by this component. The child will be automatically mounted to the current component.
Implementation
PositionComponent? get child => _child;
      
      set
      child
      (PositionComponent? value) 
      
    
    
    
Implementation
set child(PositionComponent? value) {
  if (_child?.parent == this) {
    _child?.removeFromParent();
  }
  _child = value;
  _child?.parent = this;
  _updateChildAnchor();
  _updateChildPosition();
}