KeySubstitutionAttribute
                    public class KeySubstitutionAttribute : DictionaryBehaviorAttribute, IDictionaryKeyBuilder, IDictionaryBehavior
                
                Substitutes part of key with another string.
            
                using System;
namespace Castle.Components.DictionaryAdapter
{
    [AttributeUsage(AttributeTargets.Property | AttributeTargets.Interface, AllowMultiple = true, Inherited = true)]
    public class KeySubstitutionAttribute : DictionaryBehaviorAttribute, IDictionaryKeyBuilder, IDictionaryBehavior
    {
        private readonly string oldValue;
        private readonly string newValue;
        public KeySubstitutionAttribute(string oldValue, string newValue)
        {
            this.oldValue = oldValue;
            this.newValue = newValue;
        }
        string IDictionaryKeyBuilder.GetKey(IDictionaryAdapter dictionaryAdapter, string key, PropertyDescriptor property)
        {
            return key.Replace(oldValue, newValue);
        }
    }
}