Public NotInheritable Class ActivityExecutionContext _
    Implements IServiceProvider, IDisposable

Dim instance As ActivityExecutionContext

public sealed class ActivityExecutionContext : IServiceProvider, 
    IDisposable

public ref class ActivityExecutionContext sealed : IServiceProvider, 
    IDisposable

[<SealedAttribute>]
type ActivityExecutionContext =  
    class
        interface IServiceProvider
        interface IDisposable
    end