Добавлена поддержка нескольких параметров в кодген

Example.Backend/PagesList.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using Example.Shared;
 
@@ -5,7 +6,6 @@ namespace Example.Backend
 {
     public class PagesList : IPagesList
     {
-        public IReadOnlyList<IPage> Collection { get; }
         public IPage Get(int index)
         {
             throw new System.NotImplementedException();
@@ -16,9 +16,17 @@ namespace Example.Backend
             throw new System.NotImplementedException();
         }
 
-        public void Set(int index, IPage item)
+        public void Remove(int index, IPage item)
         {
             throw new System.NotImplementedException();
         }
+
+        public event Action<IPage>? OnAdd;
+        public event Action<IPage>? OnRemove;
+
+        public void Dispose()
+        {
+            // TODO release managed resources here
+        }
     }
 }

Example.Backend/Printer.cs

@@ -9,20 +9,26 @@ namespace Example.Backend
     public class Printer : IPrinter
     {
         public string Name;
+
         public string GetName()
         {
             return Name;
         }
 
-        public async Task<IPage> Print(string text, CancellationToken cancellationToken = default)
+        public async Task<IPage> Print(string text, bool some, CancellationToken cancellationToken = default)
         {
             // throw new Exception("The method or operation is not implemented.");
-            return new Page {Text = text};
+            var page = new Page { Text = text };
+            OnPrint?.Invoke(page);
+            return page;
         }
 
+        public event Action<IPage>? OnPrint;
+
         public void Dispose()
         {
-            Console.WriteLine("Dispose printer with name {0}, Dispose works, Dispose works, Dispose works, Dispose works,", Name);
+            Console.WriteLine(
+                "Dispose printer with name {0}, Dispose works, Dispose works, Dispose works, Dispose works,", Name);
         }
     }
 }