taking shape

src/UiPath.CoreIpc/Helpers/Helpers.cs

@@ -1,5 +1,6 @@
 using Microsoft.IO;
 using System.Collections.ObjectModel;
+using System.ComponentModel;
 using System.IO.Pipes;
 using System.Runtime.InteropServices;
 using System.Security.AccessControl;
@@ -136,6 +137,8 @@ public static PipeSecurity AllowCurrentUser(this PipeSecurity pipeSecurity, bool
         return pipeSecurity;
     }
 
+    [Browsable(false)]
+    [EditorBrowsable( EditorBrowsableState.Never)]
     public static bool PipeExists(string pipeName, int timeout = 1)
     {
         try

src/UiPath.CoreIpc/Wire/EndpointNotFoundException.cs

@@ -1,11 +1,11 @@
 namespace UiPath.Ipc;
 
-public sealed class EndpointNotFoundException : ArgumentOutOfRangeException
+public sealed class EndpointNotFoundException : ArgumentException
 {
     public string ServerDebugName { get; }
     public string EndpointName { get; }
 
-    public EndpointNotFoundException(string paramName, string serverDebugName, string endpointName)
+    internal EndpointNotFoundException(string paramName, string serverDebugName, string endpointName)
     : base(paramName, FormatMessage(serverDebugName, endpointName))
     {
         ServerDebugName = serverDebugName;