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-rw-r--r--packages/backend/src/misc/cache.ts3
1 files changed, 3 insertions, 0 deletions
diff --git a/packages/backend/src/misc/cache.ts b/packages/backend/src/misc/cache.ts
index bba64a06ef..f498c110bf 100644
--- a/packages/backend/src/misc/cache.ts
+++ b/packages/backend/src/misc/cache.ts
@@ -195,6 +195,9 @@ export class MemoryKVCache<T> {
private lifetime: number;
private gcIntervalHandle: NodeJS.Timeout;
+ /**
+ * @param lifetime キャッシュの生存期間 (ms)
+ */
constructor(lifetime: MemoryKVCache<never>['lifetime']) {
this.cache = new Map();
this.lifetime = lifetime;