100644 blob 69fedd4d803821c161352c8416e9dae0a7ffac9b	CollectionTools.java
040000 tree 75dcce764163755525ee30f90ac136cf4fb02abd	filter
040000 tree 63c2c3b16a9459ac19ea4aedbcbd42badc2e0a8a	iterable
040000 tree 692e91a451cfd2147518edd9f6282fcfc3f32516	iterator
100644 blob d9b40baae712f9f39789b2411ac02807f228e7ee	package-info.java