100644 blob 6848c1db6a8a1400d2b8a849bff99f99f1704c63	Author.java
100644 blob c7abbe9a87aecc4a6b44744daca29119e3cd83d3	Book.java
100644 blob 877bd901f28efecf9c3c86c026fd0a10dcdd0b07	Library.java
100644 blob e96bcc2d3c42d977ca102c8da1f9a7dfeb10848f	LibraryFactory.java
100644 blob fdf2f8efc25b7c034b4b441c287563c0d8f08cf8	LibraryPackage.java
040000 tree bcfc781242da2f8bc5bf6363d61e40156dcf998e	impl
040000 tree d88d90a28f68e66db03880f4033745027c1b572e	util