Andrey B. Panfilov

I wonder if someone will give a green light to this PR, cause it fixes nothing: WeakHashMap is a "Hash table based implementation of the Map interface, with *weak keys*....

@michael-o > You consider this change pointless? The idea of maintaining pool of immutable objects is good, however the implementation proposed isn't: the JVM is free to cleanup `dependencyCache` as...

@Yougoss I have read that sad story about 3000 deps, however the problem is how you are using weakhashmap, I'm thinking about something like: https://gist.github.com/andreybpanfilov/aac20d79b5648450dc6946cb438d8f41