Microsoft.Extensions.DependencyInjection.Abstractions by Microsoft

<PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="6.0.0-preview.7.21377.19" />

 ServiceCollection

public int Count { get; }

public bool IsReadOnly { get; }

public ServiceDescriptor this[int index] { get; set; }

public void Clear()

public bool Contains(ServiceDescriptor item)

public void CopyTo(ServiceDescriptor[] array, int arrayIndex)

public int IndexOf(ServiceDescriptor item)

public void Insert(int index, ServiceDescriptor item)

public bool Remove(ServiceDescriptor item)

public void RemoveAt(int index)