# File lib/amq/protocol/client.rb, line 462
        def self.encode(virtual_host)
          capabilities = EMPTY_STRING
          insist = false
          channel = 0
          buffer = ""
          buffer << @packed_indexes
          buffer << virtual_host.bytesize.chr
          buffer << virtual_host
          buffer << capabilities.bytesize.chr
          buffer << capabilities
          bit_buffer = 0
          bit_buffer = bit_buffer | (1 << 0) if insist
          buffer << [bit_buffer].pack(PACK_CHAR)
          MethodFrame.new(buffer, channel)
        end