Amend: Moved Pair class into uf.common.util to reduce amount of duplicate code Amend: Added hashCode/equals to Pair Change-Id: I9a390989f6a7a7ee6618a57d0f50ec681a598dc0 Former-commit-id: eb1dd65cfdcd50b450174a1ca4ef2f2d1e1b9bae
Former-commit-id: bd9eec1d4e6fd843c7bb594b8adb882d72edc6cf