To align with other SDKs, remove key/value accessors from the set operation.
No need to pass any arguments.
This is how the .NET SDK handles the success response type for the set operations for reference: https://github.com/momentohq/client-sdk-dotnet/blob/d8a2d18209eb185fa9d9484001267fd14cf51d38/src/Momento.Sdk/Internal/ScsDataClient.cs#L131