using System;
using System.Collections;

namespace Microsoft.Contracts {
  /// <summary>
  /// Indicates that all derived classes must override this virtual method since the implementation of the method depends on the runtime type of the "this" object
  /// to be the same as the declaring type of the method.
  /// </summary>
  [AttributeUsage(AttributeTargets.Method)]
  public sealed class MustOverrideAttribute : Attribute {
  }
}

//---------------------------------------------------------------------------
//SingSharp Library
//---------------------------------------------------------------------------


namespace Microsoft.SingSharp {
  /// <summary>
  /// Used as a reference point to the runtime library from code
  /// </summary>
  public sealed class RuntimeLibraryHook{
    private RuntimeLibraryHook(){}
  }
  
  
  [AttributeUsage(AttributeTargets.Assembly, AllowMultiple=true)]
  public sealed class PostCompilationPluginAttribute : Attribute{
    private Type pluginType;
    
    public PostCompilationPluginAttribute(){      
    }
    
    public PostCompilationPluginAttribute(Type pluginType){
      this.pluginType = pluginType;
    }
    
    public Type PluginType{
      get{
        return this.pluginType;
      }
      set{
        this.pluginType = value;
      }
    }
  }
  
}