diff --git a/.eslintrc.js b/.eslintrc.js
index 9d919dfa58d..77541d87be5 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -20,7 +20,16 @@ module.exports = {
     "require-atomic-updates": "off", // This rule is so noisy and isn't useful: https://github.com/eslint/eslint/issues/11899
     "require-jsdoc": "off", // This rule is deprecated and superseded by jsdoc/require-jsdoc.
     "valid-jsdoc": "off", // This is deprecated but included in recommended configs.
-
+    "brikke/no-undeclared-imports": [
+      "error",
+      {
+        excludedFilePatterns: ["**/scripts/**/*", `update-notifier-cjs.d.ts`],
+        excludedModules: [
+          /node:/,
+          "express-serve-static-core", // We rely on just the types, and the package breaks our build.
+        ],
+      },
+    ],
     "no-prototype-builtins": "warn", // TODO(bkendall): remove, allow to error.
     "no-useless-escape": "warn", // TODO(bkendall): remove, allow to error.
     "prefer-promise-reject-errors": "warn", // TODO(bkendall): remove, allow to error.
@@ -107,7 +116,7 @@ module.exports = {
     sourceType: "module",
     warnOnUnsupportedTypeScriptVersion: false,
   },
-  plugins: ["prettier", "@typescript-eslint", "jsdoc"],
+  plugins: ["prettier", "@typescript-eslint", "jsdoc", "brikke"],
   settings: {
     jsdoc: {
       tagNamePreference: {
diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index eaf0c41f133..90d83e18542 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -139,6 +139,7 @@
         "eslint": "^8.56.0",
         "eslint-config-google": "^0.14.0",
         "eslint-config-prettier": "^9.1.0",
+        "eslint-plugin-brikke": "^2.2.2",
         "eslint-plugin-jsdoc": "^48.0.1",
         "eslint-plugin-prettier": "^5.1.3",
         "firebase": "^9.16.0",
@@ -154,6 +155,7 @@
         "nyc": "^15.1.0",
         "openapi-merge": "^1.0.23",
         "openapi-typescript": "^4.5.0",
+        "openapi3-ts": "^3.2.0",
         "prettier": "^3.2.4",
         "proxy": "^1.0.2",
         "puppeteer": "^19.0.0",
@@ -8406,6 +8408,19 @@
         "eslint": ">=7.0.0"
       }
     },
+    "node_modules/eslint-plugin-brikke": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-brikke/-/eslint-plugin-brikke-2.2.2.tgz",
+      "integrity": "sha512-m/nruSg/LxVvyjIZBQ3hJBK2cE4Lxc+klaX+P+yd1FwDDjj+/ul+JJz9fw/zrttcFx7WsA6gtAWdfV5S5yiGSQ==",
+      "dev": true,
+      "dependencies": {
+        "minimatch": "^3.0.4",
+        "read-pkg-up": "^7.0.1"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/eslint-plugin-jsdoc": {
       "version": "48.1.0",
       "resolved": "https://registry.npmjs.org/eslint-plugin-jsdoc/-/eslint-plugin-jsdoc-48.1.0.tgz",
@@ -20799,9 +20814,9 @@
       "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
     },
     "node_modules/yaml": {
-      "version": "2.4.1",
-      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.4.1.tgz",
-      "integrity": "sha512-pIXzoImaqmfOrL7teGUBt/T7ZDnyeGBWyXQBvOVhLkWLN37GXv8NMLK406UY6dS51JfcQHsmcW5cJ441bHg6Lg==",
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.6.1.tgz",
+      "integrity": "sha512-7r0XPzioN/Q9kXBro/XPnA6kznR73DHq+GXh5ON7ZozRO6aMjbmiBuKste2wslTFkC5d1dw0GooOCepZXJ2SAg==",
       "bin": {
         "yaml": "bin.mjs"
       },
@@ -27466,6 +27481,16 @@
       "dev": true,
       "requires": {}
     },
+    "eslint-plugin-brikke": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-brikke/-/eslint-plugin-brikke-2.2.2.tgz",
+      "integrity": "sha512-m/nruSg/LxVvyjIZBQ3hJBK2cE4Lxc+klaX+P+yd1FwDDjj+/ul+JJz9fw/zrttcFx7WsA6gtAWdfV5S5yiGSQ==",
+      "dev": true,
+      "requires": {
+        "minimatch": "^3.0.4",
+        "read-pkg-up": "^7.0.1"
+      }
+    },
     "eslint-plugin-jsdoc": {
       "version": "48.1.0",
       "resolved": "https://registry.npmjs.org/eslint-plugin-jsdoc/-/eslint-plugin-jsdoc-48.1.0.tgz",
@@ -36513,9 +36538,9 @@
       "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
     },
     "yaml": {
-      "version": "2.4.1",
-      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.4.1.tgz",
-      "integrity": "sha512-pIXzoImaqmfOrL7teGUBt/T7ZDnyeGBWyXQBvOVhLkWLN37GXv8NMLK406UY6dS51JfcQHsmcW5cJ441bHg6Lg=="
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.6.1.tgz",
+      "integrity": "sha512-7r0XPzioN/Q9kXBro/XPnA6kznR73DHq+GXh5ON7ZozRO6aMjbmiBuKste2wslTFkC5d1dw0GooOCepZXJ2SAg=="
     },
     "yargs": {
       "version": "16.2.0",
diff --git a/package.json b/package.json
index bc6384c2ef7..23c0e7df5b6 100644
--- a/package.json
+++ b/package.json
@@ -225,6 +225,7 @@
     "eslint": "^8.56.0",
     "eslint-config-google": "^0.14.0",
     "eslint-config-prettier": "^9.1.0",
+    "eslint-plugin-brikke": "^2.2.2",
     "eslint-plugin-jsdoc": "^48.0.1",
     "eslint-plugin-prettier": "^5.1.3",
     "firebase": "^9.16.0",
@@ -240,6 +241,7 @@
     "nyc": "^15.1.0",
     "openapi-merge": "^1.0.23",
     "openapi-typescript": "^4.5.0",
+    "openapi3-ts": "^3.2.0",
     "prettier": "^3.2.4",
     "proxy": "^1.0.2",
     "puppeteer": "^19.0.0",
diff --git a/src/emulator/storage/apis/gcloud.ts b/src/emulator/storage/apis/gcloud.ts
index 3a05037c32e..99d9fd45766 100644
--- a/src/emulator/storage/apis/gcloud.ts
+++ b/src/emulator/storage/apis/gcloud.ts
@@ -16,7 +16,7 @@ import { parseObjectUploadMultipartRequest } from "../multipart";
 import { Upload, UploadNotActiveError } from "../upload";
 import { ForbiddenError, NotFoundError } from "../errors";
 import { reqBodyToBuffer } from "../../shared/request";
-import { Query } from "express-serve-static-core";
+import type { Query } from "express-serve-static-core";
 
 export function createCloudEndpoints(emulator: StorageEmulator): Router {
   // eslint-disable-next-line new-cap