The "--output" option isn't supported when building a solution. Specifying a solution-level output path results in all projects copying outputs to the same directory, which can lead to inconsistent builds.

Non-nullable property 'Items' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Dereference of a possibly null reference.

Non-nullable field '_sources' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

The switch expression does not handle all possible values of its input type (it is not exhaustive). For example, the pattern '0' is not covered.

Non-nullable property 'SourceId' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable field '_currentPage' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Non-nullable property 'Name' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Url' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.