'AsyncUnaryCall<Operation>' does not contain a definition for 'WaitForCompletionAsync'

[inatale]

Yandex.Cloud.SDK 1.3.0
Ошибка с WaitForCompletionAsync - программа отсюда https://github.com/yandex-cloud/dotnet-sdk/blob/master/Example/Program.cs

`
[{
"resource": "/c:/ConsoleApp1/Program.cs",
"owner": "DocumentCompilerSemantic",
"code": {
"value": "CS1061",
"target": {
"$mid": 1,
"external": "https://msdn.microsoft.com/query/roslyn.query?appId%3Droslyn%26k%3Dk%28CS1061%29",
"path": "/query/roslyn.query",
"scheme": "https",
"authority": "msdn.microsoft.com",
"query": "appId=roslyn&k=k(CS1061)"
}
},
"severity": 8,
"message": "'Sdk' does not contain a definition for 'WaitForCompletionAsync' and no accessible extension method 'WaitForCompletionAsync' accepting a first argument of type 'Sdk' could be found (are you missing a using directive or an assembly reference?)",
"startLineNumber": 63,
"startColumn": 23,
"endLineNumber": 63,
"endColumn": 45
}]

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