def restriction!(restriction)
      @nbuild[NS_EWS_MESSAGES].Restriction {
        restriction.each_pair do |k,v|
          self.send normalize_type(k), v
        end
      }
    end
def restriction!(restriction)
      @nbuild[NS_EWS_MESSAGES].Restriction {
        restriction.each_pair do |k,v|
          self.send normalize_type(k), v
        end
      }
    end
def restriction! ( restriction ) @nbuild [ NS_EWS_MESSAGES ] . Restriction { restriction . each_pair do | k , v | self . send normalize_type ( k ) , v end } end
Build the Restriction element
 @see http://msdn.microsoft.com/en-us/library/aa563791.aspx
 @param [Hash] restriction a well-formatted Hash that can be fed to #build_xml!
Build the Restriction element