/usr/lib/nodejs/webpack-sources/ is in node-webpack-sources 1.0.1-1.
This file is owned by root:root, with mode 0o755.
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/usr/lib/nodejs/webpack-sources/lib/
/usr/lib/nodejs/webpack-sources/lib/CachedSource.js
/usr/lib/nodejs/webpack-sources/lib/ConcatSource.js
/usr/lib/nodejs/webpack-sources/lib/LineToLineMappedSource.js
/usr/lib/nodejs/webpack-sources/lib/OriginalSource.js
/usr/lib/nodejs/webpack-sources/lib/PrefixSource.js
/usr/lib/nodejs/webpack-sources/lib/RawSource.js
/usr/lib/nodejs/webpack-sources/lib/ReplaceSource.js
/usr/lib/nodejs/webpack-sources/lib/Source.js
/usr/lib/nodejs/webpack-sources/lib/SourceAndMapMixin.js
/usr/lib/nodejs/webpack-sources/lib/SourceMapSource.js
/usr/lib/nodejs/webpack-sources/lib/index.js
/usr/lib/nodejs/webpack-sources/package.json