ctrlShiftBryan

//a class that has a parent id and contains a list of children
public class Folder {
	
	public int Id { get; set; }
	public string Name { get; set; }
	public int? ParentId { get; set; }
	public List<Folder> Children { get; set; }
	public int Level { get; set; }
	
}

ctrlShiftBryan

//unmodified 
var original = new List<Person>() { 
	new Person() { Id = 1, Name = "Bryan" },  
	new Person() { Id = 2, Name = "Randy" }, 
	new Person() { Id = 3, Name = "Jill" } };

//modified 
var updated = new List<Person>() { 
	new Person() { Id = 1, Name = "Bryan" },  
	new Person() { Id = 2, Name = "Randi" }, //Update Randy to Randi	

ctrlShiftBryan

public class MyTest{
  
  public string HelloEveryone(){
    var x = 1;
    return "Hello Everyone";
    
  }  
  
}