Initial commit (code only without large binaries)

EdgeNode/internal/utils/ttlcache/item.go

@@ -0,0 +1,11 @@
+package ttlcache
+
+type Item[T any] struct {
+	Value     T
+	expiresAt int64
+}
+
+// ExpiresAt 获取过期时间
+func (this *Item[T]) ExpiresAt() int64 {
+	return this.expiresAt
+}