# File lib/sup/imap.rb, line 61
  def initialize uri, username, password, last_idate=nil, usual=true, archived=false, id=nil, labels=[]
    raise ArgumentError, "username and password must be specified" unless username && password
    raise ArgumentError, "not an imap uri" unless uri =~ %r!imaps?://!

    super uri, last_idate, usual, archived, id

    @parsed_uri = URI(uri)
    @username = username
    @password = password
    @imap = nil
    @imap_state = {}
    @ids = []
    @last_scan = nil
    @labels = Set.new((labels || []) - LabelManager::RESERVED_LABELS)
    @say_id = nil
    @mutex = Mutex.new
  end