/usr/lib/ is in node-gulp-util 3.0.7-1.
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/usr/lib/nodejs/
/usr/lib/nodejs/gulp-util/
/usr/lib/nodejs/gulp-util/index.js
/usr/lib/nodejs/gulp-util/lib/
/usr/lib/nodejs/gulp-util/lib/PluginError.js
/usr/lib/nodejs/gulp-util/lib/buffer.js
/usr/lib/nodejs/gulp-util/lib/combine.js
/usr/lib/nodejs/gulp-util/lib/env.js
/usr/lib/nodejs/gulp-util/lib/isBuffer.js
/usr/lib/nodejs/gulp-util/lib/isNull.js
/usr/lib/nodejs/gulp-util/lib/isStream.js
/usr/lib/nodejs/gulp-util/lib/log.js
/usr/lib/nodejs/gulp-util/lib/noop.js
/usr/lib/nodejs/gulp-util/lib/template.js
/usr/lib/nodejs/gulp-util/package.json