依赖于其他选项的C#选项

// 示例代码
public interface IService
{
    void DoSomething();
}

public class ServiceA : IService
{
    private readonly IService _serviceB;

    public ServiceA(IService serviceB)
    {
        _serviceB = serviceB;
    }

    public void DoSomething()
    {
        // 调用ServiceB的方法
        _serviceB.DoSomething();
    }
}

public class ServiceB : IService
{
    private readonly IService _serviceA;

    public ServiceB(IService serviceA)
    {
        _serviceA = serviceA;
    }

    public void DoSomething()
    {
        // 调用ServiceA的方法
        _serviceA.DoSomething();
    }
}

# 示例命令
dotnet add package SomeLibrary --version 1.0.0

// 示例代码
public class ConfigService
{
    private readonly IConfiguration _configuration;

    public ConfigService(IConfiguration configuration)
    {
        _configuration = configuration;
    }

    public string GetConfigValue(string key)
    {
        return _configuration[key];
    }
}