module RuboCop::Cop::DocumentationComment

def documentation_comment?(node)
  preceding_lines = preceding_lines(node)
  return false unless preceding_comment?(node, preceding_lines.last)
  preceding_lines.any? do |comment|
    !annotation?(comment) &&
      !interpreter_directive_comment?(comment) &&
      !rubocop_directive_comment?(comment)
  end
end