Microsoft.CodeAnalysis.Remote.IAssetSource.GetAssetsAsync<T, TArg>(Microsoft.CodeAnalysis.Checksum, Microsoft.CodeAnalysis.Serialization.AssetPath, System.ReadOnlyMemory<Microsoft.CodeAnalysis.Checksum>, Microsoft.CodeAnalysis.Serialization.ISerializerService, System.Action<Microsoft.CodeAnalysis.Checksum, T, TArg>, TArg, System.Threading.CancellationToken)