5 packages

package performance_analysis   debug, lib
Services to gather information on the performance of events by categories
package text_stat   debug, lib
Injects stat-calculating functionalities to Text and its variants
package hash_debug   debug, lib
Inject behavior analysis to hash-collections (HashMap, HashSet, etc.)
package array_debug   debug, lib
Exposes functions to help profile or debug Arrays.
package ropes_debug   debug, lib
Exposes methods for debugging ropes when needed.