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.

Remove this commented out code. (https://rules.sonarsource.com/csharp/RSPEC-125)

Rename interface 'IOpenHABEventParser' to match pascal case naming rules, consider using 'IOpenHabEventParser'. (https://rules.sonarsource.com/csharp/RSPEC-101)

Rename interface 'IOpenHABClient' to match pascal case naming rules, consider using 'IOpenHabClient'. (https://rules.sonarsource.com/csharp/RSPEC-101)

Rename class 'OpenHABEvent' to match pascal case naming rules, consider using 'OpenHabEvent'. (https://rules.sonarsource.com/csharp/RSPEC-101)

Rename this enumeration to match the regular expression: '^([A-Z]{1,3}[a-z0-9]+)*([A-Z]{2})?$'. (https://rules.sonarsource.com/csharp/RSPEC-2342)

Rename class 'APIInfo' to match pascal case naming rules, consider using 'ApiInfo'. (https://rules.sonarsource.com/csharp/RSPEC-101)

Add a 'private' constructor or the 'static' keyword to the class declaration. (https://rules.sonarsource.com/csharp/RSPEC-1118)

Rename class 'API' to match pascal case naming rules, consider using 'Api'. (https://rules.sonarsource.com/csharp/RSPEC-101)

Refactor your code not to use hardcoded absolute paths or URIs. (https://rules.sonarsource.com/csharp/RSPEC-1075)