class RuboCop::Cop::RSpec::SingleArgumentMessageChain

def autocorrect(corrector, node, method, arg)

def autocorrect(corrector, node, method, arg)
  corrector.replace(node.loc.selector, replacement(method))
  autocorrect_hash_arg(corrector, arg) if single_key_hash?(arg)
  autocorrect_array_arg(corrector, arg) if arg.array_type?
end