parameters: (self, conn, elem)
docstring: Send presence information to everyone subscribed to this
          account.
docstring_summary: Send presence information to everyone subscribed to this
          account.
docstring_tokens: Send presence information to everyone subscribed to this account .
function: def broadcast(self, conn, elem):
          """Send presence information to everyone subscribed to this
          account."""
  
          roster = self._get(conn)
          for jid in roster.presence(conn.authJID, elem).subscribers():
              conn.send(jid, elem)
function_tokens: def broadcast ( self , conn , elem ) : roster = self . _get ( conn ) for jid in roster . presence ( conn . authJID , elem ) . subscribers ( ) : conn . send ( jid , elem )