Dereference of a possibly null reference.

Possible null reference argument for parameter 'urls' in 'IWebHostBuilder HostingAbstractionsWebHostBuilderExtensions.UseUrls(IWebHostBuilder hostBuilder, params string[] urls)'.

Nullability of reference types in type of parameter 'argumentFromCLI' of 'string Program.LoadArgumentFromUserInterfaceAsJsonOrFileTextContext(string argumentFromCLI)' doesn't match the target delegate 'Func<string?, string>' (possibly because of nullability attributes).

Possible null reference argument for parameter 'functionName' in 'ApplyFunctionReport Program.ApplyFunction(string site, string functionName, IReadOnlyList<string> serializedArgumentsJson, bool commitResultingState, string? siteDefaultPassword, bool promptForPasswordOnConsole)'.

Nullability of reference types in value of type '(Program.CompileAppReport, IImmutableDictionary<IReadOnlyList<string>, ReadOnlyMemory<byte>>?)' doesn't match target type '(Program.CompileAppReport, IImmutableDictionary<IReadOnlyList<string>, ReadOnlyMemory<byte>> compiledAppFiles)'.

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

Possible null reference argument for parameter 'request' in 'Result<string, ApplyDatabaseFunctionSuccess> applyDatabaseFunction(ApplyDatabaseFunctionRequest request)'.

Possible null reference argument for parameter 'messageFromGui' in 'IEnumerable<EventToElmApp> handleMessageFromGui(MessageToHost messageFromGui)'.

Possible null reference argument for parameter 'source' in 'IEnumerable<HttpRoute> Enumerable.Select<ApiRoute, HttpRoute>(IEnumerable<ApiRoute> source, Func<ApiRoute, HttpRoute> selector)'.

Possible null reference argument for parameter 'report' in 'string reportAsString(object report)'.

Possible null reference argument for parameter 'urls' in 'IWebHostBuilder HostingAbstractionsWebHostBuilderExtensions.UseUrls(IWebHostBuilder hostBuilder, params string[] urls)'.

Nullability of reference types in type of parameter 'argumentFromCLI' of 'string Program.LoadArgumentFromUserInterfaceAsJsonOrFileTextContext(string argumentFromCLI)' doesn't match the target delegate 'Func<string?, string>' (possibly because of nullability attributes).

Possible null reference argument for parameter 'functionName' in 'ApplyFunctionReport Program.ApplyFunction(string site, string functionName, IReadOnlyList<string> serializedArgumentsJson, bool commitResultingState, string? siteDefaultPassword, bool promptForPasswordOnConsole)'.

Nullability of reference types in value of type '(Program.CompileAppReport, IImmutableDictionary<IReadOnlyList<string>, ReadOnlyMemory<byte>>?)' doesn't match target type '(Program.CompileAppReport, IImmutableDictionary<IReadOnlyList<string>, ReadOnlyMemory<byte>> compiledAppFiles)'.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Possible null reference argument for parameter 'path1' in 'string Path.Combine(string path1, string path2)'.

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

Possible null reference argument for parameter 'request' in 'Result<string, ApplyDatabaseFunctionSuccess> applyDatabaseFunction(ApplyDatabaseFunctionRequest request)'.