Because System.Type is an abstract class, TypeDelegator simply wraps System.Type methods and provides the necessary implementations.

public class TypeDelegator : Type {
// Public Constructors
   public TypeDelegator(Type delegatingType);
// Protected Constructors
   protected TypeDelegator( );
// Protected Instance Fields
   protected Type typeImpl;
// Public Instance Properties
   public override Assembly Assembly{get; }           
// overrides Type
   public override string AssemblyQualifiedName{get; }
// overrides Type
   public override Type BaseType{get; }  
// overrides Type
   public override string FullName{get; }
// overrides Type
   public override Guid GUID{get; }      
// overrides Type
   public override Module Module{get; }  
// overrides Type
   public override string Name{get; }    
// overrides MemberInfo
   public override string Namespace{get; }            
// overrides Type
   public override RuntimeTypeHandle TypeHandle{get; }
// overrides Type
   public override Type UnderlyingSystemType{get; }   
// overrides Type
// Public Instance Methods
   public override ConstructorInfo[ ] GetConstructors(BindingFlags bindingAttr)
// overrides Type
   public override object[ ] GetCustomAttributes(bool inherit)
// overrides MemberInfo
   public override object[ ] GetCustomAttributes(Type attributeType, bool inherit)
// overrides MemberInfo
   public override Type GetElementType( );
// overrides Type
   public override EventInfo GetEvent(string name, BindingFlags bindingAttr);    
// overrides Type
   public override EventInfo[ ] GetEvents( );           
// overrides Type
   public override EventInfo[ ] GetEvents(BindingFlags bindingAttr);  
// overrides Type
   public override FieldInfo GetField(string name, BindingFlags bindingAttr);  
// overrides Type
   public override FieldInfo[ ] GetFields(BindingFlags bindingAttr)
// overrides Type
   public override Type GetInterface(string name, bool ignoreCase);  
// overrides Type
   public override InterfaceMapping GetInterfaceMap(Type interfaceType)
// overrides Type
   public override Type[ ] GetInterfaces( );            
// overrides Type
   public override MemberInfo[ ] GetMember(string name, MemberTypes type, 
        BindingFlags bindingAttr)
// overrides Type
   public override MemberInfo[ ] GetMembers(BindingFlags bindingAttr)
// overrides Type
   public override MethodInfo[ ] GetMethods(BindingFlags bindingAttr)
// overrides Type
   public override Type GetNestedType(string name, BindingFlags bindingAttr);    
// overrides Type
   public override Type[ ] GetNestedTypes(BindingFlags bindingAttr)
// overrides Type
   public override PropertyInfo[ ] GetProperties(BindingFlags bindingAttr)
// overrides Type
   public override object InvokeMember(string name, BindingFlags invokeAttr,
       Binder binder, object target, object[ ] args, ParameterModifier[ ] modifiers,
      System.Globalization.CultureInfo culture, string[ ] namedParameters)
// overrides Type
   public override bool IsDefined(Type attributeType, bool inherit)
// overrides MemberInfo
// Protected Instance Methods
   protected override TypeAttributes GetAttributeFlagsImpl( );
// overrides Type
   protected override ConstructorInfo GetConstructorImpl(BindingFlags bindingAttr, Binder binder,
       CallingConventions callConvention, Type[ ] types, ParameterModifier[ ] modifiers)
// overrides Type
   protected override MethodInfo GetMethodImpl(string name, BindingFlags bindingAttr,
       Binder binder, CallingConventions callConvention, Type[ ] types, 
       ParameterModifier[ ] modifiers)
// overrides Type
   protected override PropertyInfo GetPropertyImpl(string name, BindingFlags bindingAttr,
       Binder binder,Type returnType, Type[ ] types, 
       ParameterModifier[ ] modifiers)
// overrides Type
   protected override bool HasElementTypeImpl( );      
// overrides Type
   protected override bool IsArrayImpl( );
// overrides Type
   protected override bool IsByRefImpl( );
// overrides Type
   protected override bool IsCOMObjectImpl( );         
// overrides Type
   protected override bool IsPointerImpl( );           
// overrides Type
   protected override bool IsPrimitiveImpl( );         
// overrides Type
   protected override bool IsValueTypeImpl( );         
// overrides Type
}

Hierarchy

System.Object MemberInfo(ICustomAttributeProvider) System.Type(IReflect) TypeDelegator