MyService

public interface IMyService
{
}

public class MyService : IMyService
{
    private readonly ISingletonOperation _singletonOperation;
    private readonly ITransientOperation _transientOperation;
    private readonly IScopedOperation _scopedOperation;
 
    public MyService
    (
        ISingletonOperation singletonOperation,
        ITransientOperation transientOperation,
        IScopedOperation scopedOperation
    )
    {
        _singletonOperation = singletonOperation;
        _transientOperation = transientOperation;
        _scopedOperation = scopedOperation;
    }
}