IServiceCollection
public interface IServiceCollection : IList<ServiceDescriptor>, ICollection<ServiceDescriptor>, IEnumerable<ServiceDescriptor>, IEnumerable
Specifies the contract for a collection of service descriptors.
using System.Collections;
using System.Collections.Generic;
namespace Microsoft.Extensions.DependencyInjection
{
public interface IServiceCollection : IList<ServiceDescriptor>, ICollection<ServiceDescriptor>, IEnumerable<ServiceDescriptor>, IEnumerable
{
}
}