org.apache.commons.collections
org.apache.commons.collections.bag
org.apache.commons.collections.bidimap
org.apache.commons.collections.buffer
org.apache.commons.collections.collection
org.apache.commons.collections.comparators
org.apache.commons.collections.functors
org.apache.commons.collections.iterators
org.apache.commons.collections.keyvalue
org.apache.commons.collections.list
org.apache.commons.collections.map
org.apache.commons.collections.set