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

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

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

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

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

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

'Uri.EscapeUriString(string)' is obsolete: 'Uri.EscapeUriString can corrupt the Uri string in some cases. Consider using Uri.EscapeDataString for query string components instead.' (https://aka.ms/dotnet-warnings/SYSLIB0013)

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

Possible null reference argument for parameter 'contentIds' in 'bool BlockExtensions.Transform(List<Guid> contentIds, Dictionary<Guid, Block> allBlocks, TransformOptions transformOptions)'.