module Bundler module UI class Silent def info(message, newline = nil) end def confirm(message, newline = nil) end def warn(message, newline = nil) end def error(message, newline = nil) end def debug(message, newline = nil) end def debug? false end def quiet? false end def ask(message) end def level=(name) end def level(name = nil) end def trace(message, newline = nil) end def silence yield end end end end