public static CodeTypeMember ConvertToSourcesMethod(TranslateAttribute attr, CodeMemberMethod method, CodeParameterDeclarationExpression from)
		{
			method.Statements.Add(from.ReturnNullIfNull());

			var to = "to".DeclareGenericVar(attr.SourceType, typeof(List<>));
			method.Statements.Add(to);

			CodeVariableDeclarationStatement item;
			var iter = from.ForEach(attr.TargetType, out item);
			method.Statements.Add(iter);
			var useExtensionMethod = attr is TranslateExtensionAttribute;
			
			var itemMethod = useExtensionMethod
			                 		? item.Call(attr.GetConvertToSourceMethodName()) 
									: attr.SourceType.Call(attr.GetConvertToSourceMethodName(), item);
			
			iter.Statements.Add(to.Call(LIST_ADD_METHOD, itemMethod));

			method.Statements.Add(to.Return());

			return method;
		}
		public static CodeMemberMethod ConvertToTargetsMethod(TranslateAttribute attr, CodeParameterDeclarationExpression from)
		{
			var method = DeclareToTargetsMethod(attr, from);

			method.Statements.Add(from.ReturnNullIfNull());

			var to = "to".DeclareGenericVar(attr.TargetType, typeof(List<>));
			method.Statements.Add(to);

			CodeVariableDeclarationStatement item;
			var iter = from.ForEach(attr.SourceType, out item);
			method.Statements.Add(iter);
			var toTargetMethodName = attr.GetConvertToTargetMethodName();
			iter.Statements.Add(item.IfIsNotNull(to.Call(LIST_ADD_METHOD, item.Call(toTargetMethodName))));

			method.Statements.Add(to.Return());

			return method;
		}