class RuboCop::Cop::Style::NonNilCheck

def autocorrect(corrector, node)
  case node.method_name
  when :!=
    autocorrect_comparison(corrector, node)
  when :!
    autocorrect_non_nil(corrector, node, node.receiver)
  when :nil?
    autocorrect_unless_nil(corrector, node, node.receiver)
  end
end