Cannot convert null literal to non-nullable reference type.

The variable 'ex' is declared but never used

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.

Dereference of a possibly null reference.

Missing XML comment for publicly visible type or member 'AssistantInputParameter.DefaultValue'

Missing XML comment for publicly visible type or member 'AssistantPromptExecutionSettings'

Change 'StopSequences' to be read-only by removing the property setter (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2227)

Change the event 'OnMessageReceived' to replace the type 'System.EventHandler<Microsoft.SemanticKernel.ChatMessageContent>?' with a generic EventHandler, for example EventHandler<T>, where T is a valid EventArgs (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1003)

For improved performance, use the LoggerMessage delegates instead of calling 'LoggerExtensions.LogInformation(ILogger, string?, params object?[])' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1848)