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diff --git a/src/mscorlib/shared/System/Reflection/IReflect.cs b/src/mscorlib/shared/System/Reflection/IReflect.cs
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+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Globalization;
+
+namespace System.Reflection
+{
+    public interface IReflect
+    {
+        // Return the requested method if it is implemented by the Reflection object.  The
+        // match is based upon the name and DescriptorInfo which describes the signature
+        // of the method. 
+        MethodInfo GetMethod(string name, BindingFlags bindingAttr, Binder binder, Type[] types, ParameterModifier[] modifiers);
+
+        // Return the requested method if it is implemented by the Reflection object.  The
+        // match is based upon the name of the method.  If the object implementes multiple methods
+        // with the same name an AmbiguousMatchException is thrown.
+        MethodInfo GetMethod(string name, BindingFlags bindingAttr);
+
+        MethodInfo[] GetMethods(BindingFlags bindingAttr);
+
+        // Return the requestion field if it is implemented by the Reflection object.  The
+        // match is based upon a name.  There cannot be more than a single field with
+        // a name.
+        FieldInfo GetField(string name, BindingFlags bindingAttr);
+
+        FieldInfo[] GetFields(BindingFlags bindingAttr);
+
+        // Return the property based upon name.  If more than one property has the given
+        // name an AmbiguousMatchException will be thrown.  Returns null if no property
+        // is found.
+        PropertyInfo GetProperty(string name, BindingFlags bindingAttr);
+
+        // Return the property based upon the name and Descriptor info describing the property
+        // indexing.  Return null if no property is found.
+        PropertyInfo GetProperty(string name, BindingFlags bindingAttr, Binder binder, Type returnType, Type[] types, ParameterModifier[] modifiers);
+
+        // Returns an array of PropertyInfos for all the properties defined on 
+        // the Reflection object.
+        PropertyInfo[] GetProperties(BindingFlags bindingAttr);
+
+        // Return an array of members which match the passed in name.
+        MemberInfo[] GetMember(string name, BindingFlags bindingAttr);
+
+        // Return an array of all of the members defined for this object.
+        MemberInfo[] GetMembers(BindingFlags bindingAttr);
+
+        // Description of the Binding Process.
+        // We must invoke a method that is accessable and for which the provided
+        // parameters have the most specific match.  A method may be called if
+        // 1. The number of parameters in the method declaration equals the number of 
+        //    arguments provided to the invocation
+        // 2. The type of each argument can be converted by the binder to the
+        //    type of the type of the parameter.
+        // 
+        // The binder will find all of the matching methods.  These method are found based
+        // upon the type of binding requested (MethodInvoke, Get/Set Properties).  The set
+        // of methods is filtered by the name, number of arguments and a set of search modifiers
+        // defined in the Binder.
+        // 
+        // After the method is selected, it will be invoked.  Accessability is checked
+        // at that point.  The search may be control which set of methods are searched based
+        // upon the accessibility attribute associated with the method.
+        // 
+        // The BindToMethod method is responsible for selecting the method to be invoked.
+        // For the default binder, the most specific method will be selected.
+        // 
+        // This will invoke a specific member...
+        object InvokeMember(string name, BindingFlags invokeAttr, Binder binder, object target, object[] args, ParameterModifier[] modifiers, CultureInfo culture, string[] namedParameters);
+
+        // Return the underlying Type that represents the IReflect Object.  For expando object,
+        // this is the (Object) IReflectInstance.GetType().  For Type object it is this.
+        Type UnderlyingSystemType { get; }
+    }
+}