Cannot convert lambda expression to type 'IObserver<DeleteError>' because it is not a delegate type

Cannot convert lambda expression to type 'IScheduler' because it is not a delegate type

'int' does not contain a definition for 'GetAwaiter' and no accessible extension method 'GetAwaiter' accepting a first argument of type 'int' could be found (are you missing a using directive or an assembly reference?)

'IMinioClient' does not contain a definition for 'ListObjectsAsync' and no accessible extension method 'ListObjectsAsync' accepting a first argument of type 'IMinioClient' could be found (are you missing a using directive or an assembly reference?)

Cannot convert lambda expression to type 'IObserver<DeleteError>' because it is not a delegate type

Cannot convert lambda expression to type 'IScheduler' because it is not a delegate type

'int' does not contain a definition for 'GetAwaiter' and no accessible extension method 'GetAwaiter' accepting a first argument of type 'int' could be found (are you missing a using directive or an assembly reference?)

'IMinioClient' does not contain a definition for 'ListObjectsAsync' and no accessible extension method 'ListObjectsAsync' accepting a first argument of type 'IMinioClient' could be found (are you missing a using directive or an assembly reference?)