-dontobfuscate
-dontoptimize
-keep ,includedescriptorclasses class it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap { *; }
-keep ,includedescriptorclasses class it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap { *; }
-keep ,includedescriptorclasses class it.unimi.dsi.fastutil.objects.Reference2IntOpenHashMap { *; }
# These classes access a `getChannel()` on InputStream subclasses via reflection.
-dontnote it.unimi.dsi.fastutil.io.FastBufferedInputStream
-dontnote it.unimi.dsi.fastutil.io.FastBufferedOutputStream