Unreachable code detected

Re-throwing caught exception changes stack information (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2200)

Re-throwing caught exception changes stack information (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2200)

Re-throwing caught exception changes stack information (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2200)

Field 'FileReaderV8.PageInfo.PageType' is never assigned to, and will always have its default value

'Rfc2898DeriveBytes.Rfc2898DeriveBytes(string, byte[])' is obsolete: 'The default hash algorithm and iteration counts in Rfc2898DeriveBytes constructors are outdated and insecure. Use a constructor that accepts the hash algorithm and the number of iterations.' (https://aka.ms/dotnet-warnings/SYSLIB0041)

'Rfc2898DeriveBytes.Rfc2898DeriveBytes(string, byte[])' is obsolete: 'The default hash algorithm and iteration counts in Rfc2898DeriveBytes constructors are outdated and insecure. Use a constructor that accepts the hash algorithm and the number of iterations.' (https://aka.ms/dotnet-warnings/SYSLIB0041)

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

Field 'FileReaderV8.PageInfo.PageType' is never assigned to, and will always have its default value