Revert "Revert "Revert "MyLibrary"""

This reverts commit e0e7b08651bb0c6e9d0bad032eb0e8be3d81871d.
Revert "Revert "Revert "Revert "MyLibrary""""

This reverts commit c53ed3d00e724593b92a1162c8dc0e0f47d1d4d6.