src/main/java/org/apache/commons/collections4/trie/AbstractPatriciaTrie.java (4 lines):
	- line 883: // TODO: Cleanup so that we don't actually have to add/remove from the
	- line 953: // TODO: Cleanup so that we don't actually have to add/remove from the
	- line 1013: // TODO: Cleanup so that we don't actually have to add/remove from the
	- line 1053: // TODO: Cleanup so that we don't actually have to add/remove from the


src/main/java/org/apache/commons/collections4/collection/IndexedCollection.java (1 line):
	- line 50: // TODO: replace with MultiValuedMap


src/main/java/org/apache/commons/collections4/MultiMapUtils.java (1 line):
	- line 114: // TODO: review the getValuesAsXXX methods - depending on the actual MultiValuedMap type, changes