Source:
<code>MergeOp(final GitRepositoryManager grm, final SchemaFactory<ReviewDb> sf, final ProjectCache pc, final FunctionState.Factory fs, final GitReferenceUpdated rq, final MergedSender.Factory msf, final MergeFailSender.Factory mfsf, @CanonicalWebUrl @Nullable final Provider<String> cwu, final ApprovalTypes approvalTypes, final PatchSetInfoFactory psif, final IdentifiedUser.GenericFactory iuf, final ChangeControl.GenericFactory changeControlFactory, @GerritPersonIdent final PersonIdent myIdent, final MergeQueue mergeQueue, @Assisted final Branch.NameKey branch, final ChangeHooks hooks, final AccountCache accountCache, final TagCache tagCache, final CreateCodeReviewNotes.Factory crnf, final SubmoduleOp.Factory subOpFactory, final WorkQueue workQueue, final RequestScopePropagator requestScopePropagator) { repoManager = grm; schemaFactory = sf; functionState = fs; projectCache = pc; replication = rq; mergedSenderFactory = msf; mergeFailSenderFactory = mfsf; urlProvider = cwu; this.approvalTypes = approvalTypes; patchSetInfoFactory = psif; identifiedUserFactory = iuf; this.changeControlFactory = changeControlFactory; this.mergeQueue = mergeQueue; this.hooks = hooks; this.accountCache = accountCache; this.tagCache = tagCache; codeReviewNotesFactory = crnf; this.subOpFactory = subOpFactory; this.workQueue = workQueue; this.requestScopePropagator = requestScopePropagator; this.myIdent = myIdent; destBranch = branch; toMerge = new ArrayList<CodeReviewCommit>(); commits = new HashMap<Change.Id, CodeReviewCommit>(); <START> random = new Random(); <END> }</code><technical_language>a new random MergeOp? a single static final Random reuse RNG for of backoff</technical_language>

Target:
MergeOp(final GitRepositoryManager grm, final SchemaFactory<ReviewDb> sf, final ProjectCache pc, final FunctionState.Factory fs, final GitReferenceUpdated rq, final MergedSender.Factory msf, final MergeFailSender.Factory mfsf, @CanonicalWebUrl @Nullable final Provider<String> cwu, final ApprovalTypes approvalTypes, final PatchSetInfoFactory psif, final IdentifiedUser.GenericFactory iuf, final ChangeControl.GenericFactory changeControlFactory, @GerritPersonIdent final PersonIdent myIdent, final MergeQueue mergeQueue, @Assisted final Branch.NameKey branch, final ChangeHooks hooks, final AccountCache accountCache, final TagCache tagCache, final CreateCodeReviewNotes.Factory crnf, final SubmoduleOp.Factory subOpFactory, final WorkQueue workQueue, final RequestScopePropagator requestScopePropagator) { repoManager = grm; schemaFactory = sf; functionState = fs; projectCache = pc; replication = rq; mergedSenderFactory = msf; mergeFailSenderFactory = mfsf; urlProvider = cwu; this.approvalTypes = approvalTypes; patchSetInfoFactory = psif; identifiedUserFactory = iuf; this.changeControlFactory = changeControlFactory; this.mergeQueue = mergeQueue; this.hooks = hooks; this.accountCache = accountCache; this.tagCache = tagCache; codeReviewNotesFactory = crnf; this.subOpFactory = subOpFactory; this.workQueue = workQueue; this.requestScopePropagator = requestScopePropagator; this.myIdent = myIdent; destBranch = branch; toMerge = new ArrayList<CodeReviewCommit>(); commits = new HashMap<Change.Id, CodeReviewCommit>(); }