Collection initialization can be simplified (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/ide0028)

Process completed with exit code 1.

Type 'ValueCache' owns disposable field(s) '_semaphore' but is not disposable (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1001)

Type 'AsyncLazy' owns disposable field(s) 'FactorySemaphore' but is not disposable (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1001)

In method 'Copy', replace the call to 'ToLowerInvariant' with 'ToUpperInvariant' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1308)

Possible multiple enumerations of 'IEnumerable' collection. Consider using an implementation that avoids multiple enumerations. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1851)

Possible multiple enumerations of 'IEnumerable' collection. Consider using an implementation that avoids multiple enumerations. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1851)

In method 'CopyInternal', replace the call to 'ToLowerInvariant' with 'ToUpperInvariant' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1308)

In method 'CopyInternal', replace the call to 'ToLowerInvariant' with 'ToUpperInvariant' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1308)

In method 'CopyInternal', replace the call to 'ToLowerInvariant' with 'ToUpperInvariant' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1308)

In method 'GetSourceMap', replace the call to 'ToLowerInvariant' with 'ToUpperInvariant' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1308)