module RuboCop::Cop::IndexMethod

def execute_correction(corrector, node, correction)

def execute_correction(corrector, node, correction)
  correction.strip_prefix_and_suffix(node, corrector)
  correction.set_new_method_name(new_method_name, corrector)
  captures = extract_captures(correction.match)
  correction.set_new_arg_name(captures.transformed_argname, corrector)
  correction.set_new_body_expression(
    captures.transforming_body_expr,
    corrector
  )
end