feat: add required field behaviors

This PR was generated using Autosynth. :rainbow:
Here's the log from Synthtool:
synthtool > Executing /tmpfs/src/git/autosynth/working_repo/synth.py.
synthtool > Ensuring dependencies.
synthtool > Pulling artman image.
latest: Pulling from googleapis/artman
Digest: sha256:0d2f8d429110aeb8d82df6550ef4ede59d40df9062d260a1580fce688b0512bf
Status: Image is up to date for googleapis/artman:latest
synthtool > Cloning googleapis.
synthtool > Running generator for google/cloud/webrisk/artman_webrisk_v1beta1.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/js/webrisk-v1beta1.
.eslintignore
.eslintrc.yml
.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
.jsdoc.js
.kokoro/common.cfg
.kokoro/continuous/node10/common.cfg
.kokoro/continuous/node10/docs.cfg
.kokoro/continuous/node10/lint.cfg
.kokoro/continuous/node10/samples-test.cfg
.kokoro/continuous/node10/system-test.cfg
.kokoro/continuous/node10/test.cfg
.kokoro/continuous/node12/common.cfg
.kokoro/continuous/node12/test.cfg
.kokoro/continuous/node8/common.cfg
.kokoro/continuous/node8/test.cfg
.kokoro/docs.sh
.kokoro/lint.sh
.kokoro/presubmit/node10/common.cfg
.kokoro/presubmit/node10/docs.cfg
.kokoro/presubmit/node10/lint.cfg
.kokoro/presubmit/node10/samples-test.cfg
.kokoro/presubmit/node10/system-test.cfg
.kokoro/presubmit/node10/test.cfg
.kokoro/presubmit/node12/common.cfg
.kokoro/presubmit/node12/test.cfg
.kokoro/presubmit/node8/common.cfg
.kokoro/presubmit/node8/test.cfg
.kokoro/presubmit/windows/common.cfg
.kokoro/presubmit/windows/test.cfg
.kokoro/publish.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
.nycrc
.prettierignore
.prettierrc
CODE_OF_CONDUCT.md
CONTRIBUTING.md
LICENSE
README.md
codecov.yaml
renovate.json
samples/README.md

> protobufjs@6.8.8 postinstall /tmpfs/src/git/autosynth/working_repo/node_modules/protobufjs
> node scripts/postinstall

npm notice created a lockfile as package-lock.json. You should commit this file.
npm WARN notsup Unsupported engine for google-gax@1.6.4: wanted: {"node":">=8.10.0"} (current: {"node":"8.4.0","npm":"6.12.0"})
npm WARN notsup Not compatible with your version of node/npm: google-gax@1.6.4
npm WARN notsup Unsupported engine for @grpc/grpc-js@0.6.7: wanted: {"node":"^8.13.0 || >=10.10.0"} (current: {"node":"8.4.0","npm":"6.12.0"})
npm WARN notsup Not compatible with your version of node/npm: @grpc/grpc-js@0.6.7
npm WARN notsup Unsupported engine for google-auth-library@5.4.0: wanted: {"node":">=8.10.0"} (current: {"node":"8.4.0","npm":"6.12.0"})
npm WARN notsup Not compatible with your version of node/npm: google-auth-library@5.4.0
npm WARN notsup Unsupported engine for retry-request@4.1.1: wanted: {"node":">=8.10.0"} (current: {"node":"8.4.0","npm":"6.12.0"})
npm WARN notsup Not compatible with your version of node/npm: retry-request@4.1.1
npm WARN notsup Unsupported engine for gcp-metadata@3.1.0: wanted: {"node":">=8.10.0"} (current: {"node":"8.4.0","npm":"6.12.0"})
npm WARN notsup Not compatible with your version of node/npm: gcp-metadata@3.1.0
npm WARN notsup Unsupported engine for gtoken@4.1.0: wanted: {"node":">=8.10.0"} (current: {"node":"8.4.0","npm":"6.12.0"})
npm WARN notsup Not compatible with your version of node/npm: gtoken@4.1.0
npm WARN notsup Unsupported engine for google-p12-pem@2.0.2: wanted: {"node":">=8.10.0"} (current: {"node":"8.4.0","npm":"6.12.0"})
npm WARN notsup Not compatible with your version of node/npm: google-p12-pem@2.0.2
npm WARN notsup Unsupported engine for c8@5.0.4: wanted: {"node":">=10.12.0"} (current: {"node":"8.4.0","npm":"6.12.0"})
npm WARN notsup Not compatible with your version of node/npm: c8@5.0.4
npm WARN notsup Unsupported engine for eslint@6.5.1: wanted: {"node":"^8.10.0 || ^10.13.0 || >=11.10.1"} (current: {"node":"8.4.0","npm":"6.12.0"})
npm WARN notsup Not compatible with your version of node/npm: eslint@6.5.1
npm WARN notsup Unsupported engine for eslint-plugin-node@10.0.0: wanted: {"node":">=8.10.0"} (current: {"node":"8.4.0","npm":"6.12.0"})
npm WARN notsup Not compatible with your version of node/npm: eslint-plugin-node@10.0.0
npm WARN notsup Unsupported engine for http2spy@1.1.0: wanted: {"node":">=8.10.0"} (current: {"node":"8.4.0","npm":"6.12.0"})
npm WARN notsup Not compatible with your version of node/npm: http2spy@1.1.0
npm WARN notsup Unsupported engine for jsdoc@3.6.3: wanted: {"node":">=8.15.0"} (current: {"node":"8.4.0","npm":"6.12.0"})
npm WARN notsup Not compatible with your version of node/npm: jsdoc@3.6.3
npm WARN notsup Unsupported engine for v8-to-istanbul@3.2.5: wanted: {"node":">=10.10.0"} (current: {"node":"8.4.0","npm":"6.12.0"})
npm WARN notsup Not compatible with your version of node/npm: v8-to-istanbul@3.2.5
npm WARN notsup Unsupported engine for eslint-plugin-es@2.0.0: wanted: {"node":">=8.10.0"} (current: {"node":"8.4.0","npm":"6.12.0"})
npm WARN notsup Not compatible with your version of node/npm: eslint-plugin-es@2.0.0
npm WARN notsup Unsupported engine for got@9.6.0: wanted: {"node":">=8.6"} (current: {"node":"8.4.0","npm":"6.12.0"})
npm WARN notsup Not compatible with your version of node/npm: got@9.6.0

added 496 packages from 772 contributors and audited 997 packages in 14.235s
found 0 vulnerabilities

> @google-cloud/web-risk@1.2.0 fix /tmpfs/src/git/autosynth/working_repo
> eslint . --fix

synthtool > Cleaned up 2 temporary directories.
synthtool > Wrote metadata to synth.metadata.
googleapis / nodejs-web-risk

feat: add required field behaviors #67

Codecov Report
