class RuboCop::Cop::Lint::FormatParameterMismatch

def message(node)
  _receiver, method_name, *_args = *node
  num_args_for_format, num_expected_fields = count_matches(node)
  method_name = 'String#%' if PERCENT == method_name.to_s
  format(MSG, num_args_for_format, method_name, num_expected_fields)
end