Process completed with exit code 1.

Possible null reference return.

Documentation text should end with a period (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1629.md)

Cancel synchronously blocks. Await CancelAsync instead. (https://github.com/Microsoft/vs-threading/blob/main/doc/analyzers/VSTHRD103.md)

Use expression body for method (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/ide0022)

Use expression body for method (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/ide0022)

Use expression body for method (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/ide0022)

Use 'GeneratedRegexAttribute' to generate the regular expression implementation at compile-time. (https://learn.microsoft.com/dotnet/fundamentals/syslib-diagnostics/syslib1045)

Use 'GeneratedRegexAttribute' to generate the regular expression implementation at compile-time. (https://learn.microsoft.com/dotnet/fundamentals/syslib-diagnostics/syslib1045)

Using directive is unnecessary. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/ide0005)