Process completed with exit code 1.

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

Cannot convert null literal to non-nullable reference type.

Possible null reference return.

Non-nullable field '_timer' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

The variable 'ex' is declared but never used

The variable 'ex' is declared but never used

Cannot convert null literal to non-nullable reference type.

Non-nullable field '_cts' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable field 'responseTaskSource' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.