Merge pull request #35061 from benhopkinstech/35037

Added ASP0027 documentation

Author: Rick-Anderson

aspnetcore/diagnostics/asp0027.md

@@ -0,0 +1,32 @@
+---
+title: "ASP0027: Analyzer to suggest removing unnecessary public Program class declaration" 
+ms.date: 03/25/2025
+description: "Learn about analysis rule ASP0027: Unnecessary public Program class declaration"
+author: benhopkinstech
+monikerRange: '>= aspnetcore-10.0'
+ms.author: riande
+uid: diagnostics/asp0027
+---
+# ASP0027: Unnecessary `public Program` class declaration"
+
+|                                     | Value        |
+| -                                   | -            |
+| **Rule ID**                         | ASP0027      |
+| **Category**                        | Usage        |
+| **Fix is breaking or non-breaking** | Non-breaking |
+
+## Cause
+
+An unnecessary `public Program` class declaration within the `Program.cs` file.
+
+## Rule description
+
+Suggests to remove the unnecessary `public Program` class declaration as this is no longer required to make the generated `Program` class public in ASP.NET Core apps.
+
+## How to fix violations
+
+To fix a violation of this rule, remove the `public Program` class declaration within the `Program.cs` file.
+
+## When to suppress warnings
+
+The severity level of this diagnostic is Information. While the warning can be suppressed if necessary, it is recommended to remove the declaration as it is no longer required.

aspnetcore/toc.yml

@@ -1425,6 +1425,8 @@ items:
         uid: diagnostics/asp0025
       - name: ASP0026
         uid: diagnostics/asp0026
+      - name: ASP0027
+        uid: diagnostics/asp0027
       - name: ASP0028
         uid: diagnostics/asp0028
       - name: BL0001