Decoupled Producer/Consumer classes

Consumer.cs

public class Consumer {
  private IProducer _producer;
  
  // Constructor
  public Consumer(IProducer producer) {
    _producer = producer;
  }
  
  public void DoConsumption() {
    var value = _producer.DoProduction();
    // do something with value
  }
}

IProducer.cs

public interface IProducer {
  object DoProduction();
}

Producer.cs

public class Producer: IProducer {
  public object DoProduction() {
    return someObject;
  }
}