Private classes which are not derived in the current assembly should be marked as 'sealed'. (https://rules.sonarsource.com/csharp/RSPEC-3260)

Complete the task associated to this 'TODO' comment. (https://rules.sonarsource.com/csharp/RSPEC-1135)

Remove this commented out code. (https://rules.sonarsource.com/csharp/RSPEC-125)

Rename class 'OpenAPIWriterExtensions' to match pascal case naming rules, consider using 'OpenApiWriterExtensions'. (https://rules.sonarsource.com/csharp/RSPEC-101)

Rename this enumeration to match the regular expression: '^([A-Z]{1,3}[a-z0-9]+)*([A-Z]{2})?s$'. (https://rules.sonarsource.com/csharp/RSPEC-2342)

Update this implementation of 'ISerializable' to conform to the recommended serialization pattern. Add a 'protected' constructor 'OpenApiReaderException(SerializationInfo, StreamingContext)'. (https://rules.sonarsource.com/csharp/RSPEC-3925)

Update this implementation of 'ISerializable' to conform to the recommended serialization pattern. Add a 'protected' constructor 'OpenApiUnsupportedSpecVersionException(SerializationInfo, StreamingContext)'. (https://rules.sonarsource.com/csharp/RSPEC-3925)

Define a constant instead of using this literal 'boolean' 4 times. (https://rules.sonarsource.com/csharp/RSPEC-1192)

Define a constant instead of using this literal 'integer' 8 times. (https://rules.sonarsource.com/csharp/RSPEC-1192)