diff --git a/packages/google-cloud-dns/synth.metadata b/packages/google-cloud-dns/synth.metadata
new file mode 100644
index 00000000000..06690addee3
--- /dev/null
+++ b/packages/google-cloud-dns/synth.metadata
@@ -0,0 +1,251 @@
+{
+  "updateTime": "2020-01-24T12:18:40.298044Z",
+  "sources": [
+    {
+      "template": {
+        "name": "node_library",
+        "origin": "synthtool.gcp",
+        "version": "2019.10.17"
+      }
+    }
+  ],
+  "newFiles": [
+    {
+      "path": ".eslintignore"
+    },
+    {
+      "path": ".eslintrc.yml"
+    },
+    {
+      "path": ".github/ISSUE_TEMPLATE/bug_report.md"
+    },
+    {
+      "path": ".github/ISSUE_TEMPLATE/feature_request.md"
+    },
+    {
+      "path": ".github/ISSUE_TEMPLATE/support_request.md"
+    },
+    {
+      "path": ".github/PULL_REQUEST_TEMPLATE.md"
+    },
+    {
+      "path": ".github/release-please.yml"
+    },
+    {
+      "path": ".gitignore"
+    },
+    {
+      "path": ".jsdoc.js"
+    },
+    {
+      "path": ".kokoro/.gitattributes"
+    },
+    {
+      "path": ".kokoro/common.cfg"
+    },
+    {
+      "path": ".kokoro/continuous/node10/common.cfg"
+    },
+    {
+      "path": ".kokoro/continuous/node10/docs.cfg"
+    },
+    {
+      "path": ".kokoro/continuous/node10/lint.cfg"
+    },
+    {
+      "path": ".kokoro/continuous/node10/samples-test.cfg"
+    },
+    {
+      "path": ".kokoro/continuous/node10/system-test.cfg"
+    },
+    {
+      "path": ".kokoro/continuous/node10/test.cfg"
+    },
+    {
+      "path": ".kokoro/continuous/node12/common.cfg"
+    },
+    {
+      "path": ".kokoro/continuous/node12/test.cfg"
+    },
+    {
+      "path": ".kokoro/continuous/node8/common.cfg"
+    },
+    {
+      "path": ".kokoro/continuous/node8/test.cfg"
+    },
+    {
+      "path": ".kokoro/docs.sh"
+    },
+    {
+      "path": ".kokoro/lint.sh"
+    },
+    {
+      "path": ".kokoro/pre-system-test.sh"
+    },
+    {
+      "path": ".kokoro/presubmit/node10/common.cfg"
+    },
+    {
+      "path": ".kokoro/presubmit/node10/docs.cfg"
+    },
+    {
+      "path": ".kokoro/presubmit/node10/lint.cfg"
+    },
+    {
+      "path": ".kokoro/presubmit/node10/samples-test.cfg"
+    },
+    {
+      "path": ".kokoro/presubmit/node10/system-test.cfg"
+    },
+    {
+      "path": ".kokoro/presubmit/node10/test.cfg"
+    },
+    {
+      "path": ".kokoro/presubmit/node12/common.cfg"
+    },
+    {
+      "path": ".kokoro/presubmit/node12/test.cfg"
+    },
+    {
+      "path": ".kokoro/presubmit/node8/common.cfg"
+    },
+    {
+      "path": ".kokoro/presubmit/node8/test.cfg"
+    },
+    {
+      "path": ".kokoro/presubmit/windows/common.cfg"
+    },
+    {
+      "path": ".kokoro/presubmit/windows/test.cfg"
+    },
+    {
+      "path": ".kokoro/publish.sh"
+    },
+    {
+      "path": ".kokoro/release/common.cfg"
+    },
+    {
+      "path": ".kokoro/release/docs.cfg"
+    },
+    {
+      "path": ".kokoro/release/docs.sh"
+    },
+    {
+      "path": ".kokoro/release/publish.cfg"
+    },
+    {
+      "path": ".kokoro/samples-test.sh"
+    },
+    {
+      "path": ".kokoro/system-test.sh"
+    },
+    {
+      "path": ".kokoro/test.bat"
+    },
+    {
+      "path": ".kokoro/test.sh"
+    },
+    {
+      "path": ".kokoro/trampoline.sh"
+    },
+    {
+      "path": ".nycrc"
+    },
+    {
+      "path": ".prettierignore"
+    },
+    {
+      "path": ".prettierrc"
+    },
+    {
+      "path": ".repo-metadata.json"
+    },
+    {
+      "path": "CHANGELOG.md"
+    },
+    {
+      "path": "CODE_OF_CONDUCT.md"
+    },
+    {
+      "path": "CONTRIBUTING.md"
+    },
+    {
+      "path": "LICENSE"
+    },
+    {
+      "path": "README.md"
+    },
+    {
+      "path": "codecov.yaml"
+    },
+    {
+      "path": "linkinator.config.json"
+    },
+    {
+      "path": "package.json"
+    },
+    {
+      "path": "renovate.json"
+    },
+    {
+      "path": "samples/.eslintrc.yml"
+    },
+    {
+      "path": "samples/README.md"
+    },
+    {
+      "path": "samples/listZones.js"
+    },
+    {
+      "path": "samples/package.json"
+    },
+    {
+      "path": "samples/quickstart.js"
+    },
+    {
+      "path": "samples/test/dns.test.js"
+    },
+    {
+      "path": "src/change.ts"
+    },
+    {
+      "path": "src/index.ts"
+    },
+    {
+      "path": "src/record.ts"
+    },
+    {
+      "path": "src/zone.ts"
+    },
+    {
+      "path": "synth.py"
+    },
+    {
+      "path": "system-test/data/zonefile.zone"
+    },
+    {
+      "path": "system-test/dns.ts"
+    },
+    {
+      "path": "test/change.ts"
+    },
+    {
+      "path": "test/index.ts"
+    },
+    {
+      "path": "test/mocha.opts"
+    },
+    {
+      "path": "test/record.ts"
+    },
+    {
+      "path": "test/zone.ts"
+    },
+    {
+      "path": "tsconfig.json"
+    },
+    {
+      "path": "tslint.json"
+    }
+  ]
+}
\ No newline at end of file