class RuboCop::Cop::Cop

def emulate_v0_callsequence(corrector)

Just for legacy
def emulate_v0_callsequence(corrector)
  lambda = correction_lambda
  yield corrector if block_given?
  unless corrector.empty?
    raise 'Your cop must inherit from Cop::Base and extend AutoCorrector'
  end
  return unless lambda
  suppress_clobbering do
    lambda.call(corrector)
  end
end