fix: check for fetch on window (#311)

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packages/google-cloud-scheduler/synth.metadata

@@ -4,15 +4,15 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/nodejs-scheduler.git",
-        "sha": "50297451c1eaea25e5b6fde2c6f6c8de6865f9ad"
+        "sha": "7f8b30c165d3de8beebb0e6704535b4eed7d817d"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "d189e871205fea665a9648f7c4676f027495ccaf",
-        "internalRef": "345596855"
+        "sha": "2f019bf70bfe06f1e2af1b04011b0a2405190e43",
+        "internalRef": "343202295"
       }
     },
     {
@@ -42,5 +42,86 @@
         "generator": "bazel"
       }
     }
+  ],
+  "generatedFiles": [
+    ".eslintignore",
+    ".eslintrc.json",
+    ".gitattributes",
+    ".github/ISSUE_TEMPLATE/bug_report.md",
+    ".github/ISSUE_TEMPLATE/feature_request.md",
+    ".github/ISSUE_TEMPLATE/support_request.md",
+    ".github/PULL_REQUEST_TEMPLATE.md",
+    ".github/release-please.yml",
+    ".github/workflows/ci.yaml",
+    ".gitignore",
+    ".jsdoc.js",
+    ".kokoro/.gitattributes",
+    ".kokoro/common.cfg",
+    ".kokoro/continuous/node10/common.cfg",
+    ".kokoro/continuous/node10/docs.cfg",
+    ".kokoro/continuous/node10/test.cfg",
+    ".kokoro/continuous/node12/common.cfg",
+    ".kokoro/continuous/node12/lint.cfg",
+    ".kokoro/continuous/node12/samples-test.cfg",
+    ".kokoro/continuous/node12/system-test.cfg",
+    ".kokoro/continuous/node12/test.cfg",
+    ".kokoro/docs.sh",
+    ".kokoro/lint.sh",
+    ".kokoro/populate-secrets.sh",
+    ".kokoro/presubmit/node10/common.cfg",
+    ".kokoro/presubmit/node12/common.cfg",
+    ".kokoro/presubmit/node12/samples-test.cfg",
+    ".kokoro/presubmit/node12/system-test.cfg",
+    ".kokoro/presubmit/node12/test.cfg",
+    ".kokoro/publish.sh",
+    ".kokoro/release/docs-devsite.cfg",
+    ".kokoro/release/docs-devsite.sh",
+    ".kokoro/release/docs.cfg",
+    ".kokoro/release/docs.sh",
+    ".kokoro/release/publish.cfg",
+    ".kokoro/samples-test.sh",
+    ".kokoro/system-test.sh",
+    ".kokoro/test.bat",
+    ".kokoro/test.sh",
+    ".kokoro/trampoline.sh",
+    ".kokoro/trampoline_v2.sh",
+    ".mocharc.js",
+    ".nycrc",
+    ".prettierignore",
+    ".prettierrc.js",
+    ".trampolinerc",
+    "CODE_OF_CONDUCT.md",
+    "CONTRIBUTING.md",
+    "LICENSE",
+    "README.md",
+    "api-extractor.json",
+    "linkinator.config.json",
+    "protos/google/cloud/scheduler/v1/cloudscheduler.proto",
+    "protos/google/cloud/scheduler/v1/job.proto",
+    "protos/google/cloud/scheduler/v1/target.proto",
+    "protos/google/cloud/scheduler/v1beta1/cloudscheduler.proto",
+    "protos/google/cloud/scheduler/v1beta1/job.proto",
+    "protos/google/cloud/scheduler/v1beta1/target.proto",
+    "protos/protos.d.ts",
+    "protos/protos.js",
+    "protos/protos.json",
+    "renovate.json",
+    "samples/README.md",
+    "src/index.ts",
+    "src/v1/cloud_scheduler_client.ts",
+    "src/v1/cloud_scheduler_client_config.json",
+    "src/v1/cloud_scheduler_proto_list.json",
+    "src/v1/index.ts",
+    "src/v1beta1/cloud_scheduler_client.ts",
+    "src/v1beta1/cloud_scheduler_client_config.json",
+    "src/v1beta1/cloud_scheduler_proto_list.json",
+    "src/v1beta1/index.ts",
+    "system-test/fixtures/sample/src/index.js",
+    "system-test/fixtures/sample/src/index.ts",
+    "system-test/install.ts",
+    "test/gapic_cloud_scheduler_v1.ts",
+    "test/gapic_cloud_scheduler_v1beta1.ts",
+    "tsconfig.json",
+    "webpack.config.js"
   ]
 }