classnames typings

package-lock.json

@@ -1988,6 +1988,12 @@
         "@types/node": "*"
       }
     },
+    "@types/classnames": {
+      "version": "2.2.9",
+      "resolved": "https://registry.npmjs.org/@types/classnames/-/classnames-2.2.9.tgz",
+      "integrity": "sha512-MNl+rT5UmZeilaPxAVs6YaPC2m6aA8rofviZbhbxpPpl61uKodfdQVsBtgJGTqGizEf02oW3tsVe7FYB8kK14A==",
+      "dev": true
+    },
     "@types/connect": {
       "version": "3.4.32",
       "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.32.tgz",

package.json

@@ -57,6 +57,7 @@
         "@babel/preset-env": "^7.4.5",
         "@babel/preset-typescript": "^7.6.0",
         "@babel/register": "^7.0.0-beta.47",
+        "@types/classnames": "^2.2.9",
         "@types/koa": "^2.0.50",
         "@types/koa-route": "^3.2.4",
         "@types/mongodb": "^3.3.6",