100644 blob cc8e8606c4771338bccaa7b063cb28cc5c14cf40	Book.java
100644 blob 7624d8fa0b69fe5ced77b34a44ea119041abdd4d	BookCategory.java
100644 blob a1cceb20e2845a96663652c4a15735b89da4e511	Library.java
100644 blob 1da8c30cdaa75137e5864f5a96d01fb01c144bc0	LibraryFactory.java
100644 blob 1e7919f997b16d2634b50fcedff8d12c5e131d43	LibraryPackage.java
100644 blob 4b121d5074b4d74ae75aca39dc038ac4cc1304c4	Writer.java
040000 tree 8aee92e65144288a842b2f90d76c07596977874b	impl
040000 tree 02b3e28907f4b204634456766f99a6ea4462d98d	util