Improve XML documentation coverage across src modules and sync generated analysis artifacts.

src/NATS.Server/Internal/SubjectTree/Nodes.cs

@@ -182,11 +182,17 @@ internal sealed class Leaf<T> : INode
         => Parts.MatchPartsAgainstFragment(parts, Suffix);
 
     // These should not be called on a leaf.
+    /// <inheritdoc />
     public void SetPrefix(ReadOnlySpan<byte> pre) => throw new InvalidOperationException("setPrefix called on leaf");
+    /// <inheritdoc />
     public void AddChild(byte c, INode n) => throw new InvalidOperationException("addChild called on leaf");
+    /// <inheritdoc />
     public ChildRef? FindChild(byte c) => throw new InvalidOperationException("findChild called on leaf");
+    /// <inheritdoc />
     public INode Grow() => throw new InvalidOperationException("grow called on leaf");
+    /// <inheritdoc />
     public void DeleteChild(byte c) => throw new InvalidOperationException("deleteChild called on leaf");
+    /// <inheritdoc />
     public INode? Shrink() => throw new InvalidOperationException("shrink called on leaf");
 }