The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/[email protected]. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

Add a 'protected' constructor or the 'static' keyword to the class declaration.

When implementing IComparable<T>, you should also override Equals, <, >, <=, >=, ==, !=.

Remove this unused 'fdr' local variable.

'Dispose' of 'writter'.

'Dispose' of 'writter'.

Change one instance of 'x' to a different value; comparing 'x' to itself always returns true.

This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.

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

The variable 'output' is declared but never used