Applied via `dotnet format analyzers --diagnostics CA1510 --severity info`.
Replaces `if (x == null) throw new ArgumentNullException(nameof(x));`
blocks with the one-line `ArgumentNullException.ThrowIfNull(x);` —
same behavior, same parameter name, much less noise.
6 files touched across SqlBreakdown, SqlServer, LinqToSql.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
