class RuboCop::Cop::Style::StructInheritance

def correct_parent(parent, corrector)
  if parent.block_type?
    corrector.remove(range_with_surrounding_space(range: parent.loc.end, newlines: false))
  elsif (class_node = parent.parent).body.nil?
    corrector.remove(range_by_whole_lines(class_node.loc.end, include_final_newline: true))
  else
    corrector.insert_after(parent.loc.expression, ' do')
  end
end