Unexpected input(s) 'submodules', valid inputs are ['dotnet-version', 'dotnet-quality', 'global-json-file', 'source-url', 'owner', 'config-file', 'cache', 'cache-dependency-path']

Unexpected input(s) 'submodules', valid inputs are ['dotnet-version', 'dotnet-quality', 'global-json-file', 'source-url', 'owner', 'config-file', 'cache', 'cache-dependency-path']

This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.

The variable 'ex' is declared but never used

Possible null reference assignment.

Possible null reference assignment.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

'VideoCallHub.Join(string)' hides inherited member 'BaseSignalRHub.Join(string)'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword.

Dereference of a possibly null reference.

Dereference of a possibly null reference.