Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.

Converting null literal or possible null value to non-nullable type.

Dereference of a possibly null reference.

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.

Possible null reference argument for parameter 'parent' in 'IHtmlFormElement? ParentNodeExtensions.QuerySelector<IHtmlFormElement>(IParentNode parent, string selectors)'.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.

Converting null literal or possible null value to non-nullable type.