fix Lookup in index interface

Signed-off-by: sagiahrac <[email protected]>
Signed-off-by: Sage Ahrac <[email protected]>

Author: sagiahrac

pkg/kvcache/kvblock/index.go

@@ -107,10 +107,9 @@ type Index interface {
 	// If the podIdentifierSet is empty, all pods are returned.
 	//
 	// It returns:
-	// 1. A slice of the hit keys.
-	// 2. A map where the keys are those in (1) and the values are pod-identifiers.
-	// 3. An error if any occurred during the operation.
-	Lookup(ctx context.Context, keys []Key, podIdentifierSet sets.Set[string]) ([]Key, map[Key][]string, error)
+	// 1. A map where the keys are those in (1) and the values are pod-identifiers.
+	// 2. An error if any occurred during the operation.
+	Lookup(ctx context.Context, keys []Key, podIdentifierSet sets.Set[string]) (map[Key][]string, error)
 	// Add adds a set of keys and their associated pod entries to the index backend.
 	Add(ctx context.Context, keys []Key, entries []PodEntry) error
 	// Evict removes a key and its associated pod entries from the index backend.