Squashed 'lib1/' content from commit 72d2261

git-subtree-dir: lib1
git-subtree-split: 72d2261e2d94335c88ef68052d4a8bb9e679fa2c
Merge commit 'e84bc6ab0a87e8b1567d892d5b610a21bfb00421' as 'lib1'