🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
is-core-module 
Is this specifier a node.js core module? Optionally provide a node version to check; defaults to the current node version.
Example
var isCore = require('is-core-module');
var assert = require('assert');
assert(isCore('fs'));
assert(!isCore('butts'));
Tests
Clone the repo, npm install, and run npm test
