EXPERIMENTAL, INCOMPLETE. A Node-compatibility module resolver, provided as
a convenience and as a worked example of building built-in modules on the
engine. Answers a handful of Node's built-in specifiers - fs, buffer, os,
path - from bare or node: imports, in pure Java. It reaches into the
engine's internal object model (core exports those packages to this module
by name), so a given nashorn-node is a companion to the exact same version of
nashorn-core; do not mix ...