100644 blob f898e3c9b447cfbf6600dbdc76a1261ce58dfc2e	HashCodeUtils.java
100644 blob 7e9172da91293803dae4f98eac39d9d4a6174547	MostlySingleton.java
100644 blob cf7a090024303d21f820d51b47b5b3ba4550b2b5	NodeUtils.java
100644 blob 0b298f19552b6ea2f34c335e5d07c3d98406ade4	PurityChecker.java
100644 blob c175877a249eaeed4ca3e078fb4e8545a178fe1a	PurityUtils.java