# File lib/snmp/mib.rb, line 178
    def varbind_list(object_list, option=:KeepValue)
        vb_list = VarBindList.new
        if object_list.respond_to? :to_str
            vb_list << oid(object_list).to_varbind
        elsif object_list.respond_to? :to_varbind
            vb_list << apply_option(object_list.to_varbind, option)
        else
            object_list.each do |item|
                if item.respond_to? :to_str
                    varbind = oid(item).to_varbind
                else
                    varbind = item.to_varbind
                end
                vb_list << apply_option(varbind, option)
            end
        end
        vb_list
    end