Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v2, actions/setup-dotnet@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

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

Nullability of reference types in type of parameter 'value' doesn't match implemented member 'int IList.Add(object? value)' (possibly because of nullability attributes).

Nullability of reference types in type of parameter 'value' doesn't match implemented member 'bool IList.Contains(object? value)' (possibly because of nullability attributes).

Nullability of reference types in type of parameter 'value' doesn't match implemented member 'int IList.IndexOf(object? value)' (possibly because of nullability attributes).

Nullability of reference types in type of parameter 'value' doesn't match implemented member 'void IList.Insert(int index, object? value)' (possibly because of nullability attributes).

Nullability of reference types in type of parameter 'value' doesn't match implemented member 'void IList.Remove(object? value)' (possibly because of nullability attributes).

Nullability of reference types in type of parameter 'value' doesn't match implemented member 'void IList.this[int index].set' (possibly because of nullability attributes).

Possible null reference assignment.

Possible null reference assignment.

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