diff --git a/pkg/hashset/hashset.go b/pkg/hashset/hashset.go
index e52a05e..b39e55b 100644
--- a/pkg/hashset/hashset.go
+++ b/pkg/hashset/hashset.go
@@ -33,3 +33,7 @@ func (h *HashSet[K]) Size() int {
 func (h *HashSet[K]) Clear() {
 	maps.Clear(h.m)
 }
+
+func (h *HashSet[K]) Keys() []K {
+	return maps.Keys(h.m)
+}
diff --git a/pkg/hashset/hashset_sync.go b/pkg/hashset/hashset_sync.go
index 374deae..cef5e65 100644
--- a/pkg/hashset/hashset_sync.go
+++ b/pkg/hashset/hashset_sync.go
@@ -1,6 +1,8 @@
 package hashset
 
-import "sync"
+import (
+	"sync"
+)
 
 type SyncHashSet[K comparable] struct {
 	rw sync.RWMutex
@@ -60,3 +62,10 @@ func (sh *SyncHashSet[K]) Clear() {
 
 	sh.s.Clear()
 }
+
+func (sh *SyncHashSet[K]) Keys() []K {
+	sh.rw.RLock()
+	defer sh.rw.RUnlock()
+
+	return sh.s.Keys()
+}