SearchFilter property
      
      SearchFilter?
      get
      SearchFilter
      
    
    
Implementation
search.SearchFilter? get SearchFilter => this.searchFilter;
      
      set
      SearchFilter
      (SearchFilter? value) 
      
    
    
    
Implementation
set SearchFilter(search.SearchFilter? value) {
  if (this.searchFilter != null) {
    this.searchFilter!.removeChangeEvent(this.PropertyChanged);
  }
  this.searchFilter = value;
  if (this.searchFilter != null) {
    this.searchFilter!.addOnChangeEvent(this.PropertyChanged);
  }
}