040000 tree 68d22f9e96dbfcb95245dafa0b968fd3e92e4fad	Classes
040000 tree 29e8e740eb28757595dd9ee32d4b0d81262ceb4f	Collections
040000 tree d3860853c24c574edf5055179fabb7699071daf1	Iterators
040000 tree d1a2e6b23f9dd8e40ddde4cbd31bd278efb6f629	Strings
100644 blob b0ce40b888b3a1388e63ade8ae38f4417fa76c04	base.js