From f40daef1deefda4b76957f5d5728c4175c27be51 Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Sat, 28 Mar 2026 18:00:23 +0000
Subject: reachability: Document contract

---
 reachability/reachability.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'reachability/reachability.go')

diff --git a/reachability/reachability.go b/reachability/reachability.go
index 14bb79cf..2fa29ad1 100644
--- a/reachability/reachability.go
+++ b/reachability/reachability.go
@@ -8,19 +8,23 @@ import (
 
 // Reachability provides graph traversal over objects in one object store.
 //
-// It is not safe for concurrent use.
+// Labels: MT-Unsafe.
 type Reachability struct {
 	store objectstore.ReadingStore
 	graph *commitgraphread.Reader
 }
 
 // New builds a Reachability  over one object store.
+//
+// Labels: Deps-Borrowed.
 func New(store objectstore.ReadingStore) *Reachability {
 	return &Reachability{store: store}
 }
 
 // NewWithCommitGraph builds a Reachability over one object store with an
 // optional commit-graph reader for faster commit-domain traversal.
+//
+// Labels: Deps-Borrowed.
 func NewWithCommitGraph(store objectstore.ReadingStore, graph *commitgraphread.Reader) *Reachability {
 	return &Reachability{store: store, graph: graph}
 }
-- 
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