class ChefCLI::UI

def self.null 

def self.null
  new(out: NullStream.new, err: NullStream.new)
end

def err(message) 

def err(message)
  @err_stream.puts(message)
end

def initialize(out: nil, err: nil) 

def initialize(out: nil, err: nil)
  @out_stream = out || $stdout
  @err_stream = err || $stderr
end

def msg(message) 

def msg(message)
  @out_stream.puts(message)
end

def print(message) 

def print(message)
  @out_stream.print(message)
end