node_preamble
(?s)^The MIT License.*Michael Bullington.*Copyright \d+, the Dart project authors
(?s)^The MIT License.*
Permission is hereby granted, free of charge, to any person obtaining a copy.*
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

===

Copyright \d+, the Dart project authors. All rights reserved..*
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
$