# File lib/dbus/export.rb, line 95
    def self.dbus_method(sym, protoype = "", &block)
      raise UndefinedInterface, sym if @@cur_intf.nil?
      @@cur_intf.define(Method.new(sym.to_s).from_prototype(protoype))
      define_method(Object.make_method_name(@@cur_intf.name, sym.to_s), &block) 
    end