ESLint warnings when generating a new reactive Gateway with OAuth

[mraible]

Overview of the issue

Normally, I wouldn't care, but there's a desktop notification that pops up during the build.

[INFO] /Users/mraible/apps/gateway/src/main/webapp/app/core/user/user.service.ts
[INFO]   3:22  warning  'of' is defined but never used         @typescript-eslint/no-unused-vars
[INFO]   8:10  warning  'Authority' is defined but never used  @typescript-eslint/no-unused-vars

Motivation for or Use Case

A brand new app should not have warnings out-of-the-box.

Reproduce the error

Create a Microservice App with the following JDL and compile the TS in the gateway app.

JHipster Version(s)

[email protected] /Users/mraible/apps/gateway
└── [email protected]

JHipster configuration, a .yo-rc.json file generated in the root folder

.yo-rc.json file

{
  "generator-jhipster": {
    "authenticationType": "oauth2",
    "cacheProvider": "no",
    "clientFramework": "angularX",
    "serverPort": "8080",
    "serviceDiscoveryType": "eureka",
    "skipUserManagement": true,
    "baseName": "gateway",
    "buildTool": "maven",
    "databaseType": "neo4j",
    "devDatabaseType": "neo4j",
    "enableHibernateCache": false,
    "enableSwaggerCodegen": false,
    "enableTranslation": true,
    "jhiPrefix": "jhi",
    "languages": ["en", "fr"],
    "messageBroker": false,
    "nativeLanguage": "en",
    "prodDatabaseType": "neo4j",
    "searchEngine": false,
    "skipClient": false,
    "testFrameworks": ["protractor"],
    "websocket": false,
    "reactive": true,
    "packageName": "com.okta.developer.gateway",
    "packageFolder": "com/okta/developer/gateway",
    "applicationType": "gateway",
    "jhipsterVersion": "6.9.0",
    "creationTimestamp": 1589844000553,
    "skipServer": false,
    "clientPackageManager": "npm",
    "clientTheme": "none",
    "clientThemeVariant": "",
    "useSass": true,
    "embeddableLaunchScript": false,
    "entitySuffix": "",
    "dtoSuffix": "DTO",
    "otherModules": [],
    "blueprints": []
  },
  "entities": ["Blog", "Post", "Tag", "Product"]
}

JDL for the Entity configuration(s) entityName.json files generated in the .jhipster directory

JDL entity definitions

entity Blog {
  name String required minlength(3),
  handle String required minlength(2)
}
entity Post {
  title String required,
  content TextBlob required,
  date Instant required
}
entity Tag {
  name String required minlength(2)
}
entity Product {
  title String required,
  price BigDecimal required min(0),
  image ImageBlob
}
relationship ManyToOne {
  Blog{user(login)} to User,
  Post{blog(name)} to Blog
}
relationship ManyToMany {
  Post{tag(name)} to Tag{post}
}

microservice Blog, Post, Tag with blog
microservice Product with store
paginate Post, Tag with infinite-scroll
paginate Product with pagination

Environment and Tools

openjdk version "11.0.5" 2019-10-15
OpenJDK Runtime Environment AdoptOpenJDK (build 11.0.5+10)
OpenJDK 64-Bit Server VM AdoptOpenJDK (build 11.0.5+10, mixed mode)

git version 2.24.2 (Apple Git-127)

node: v12.16.3

npm: 6.14.4

yeoman: 3.1.1

yarn: 1.22.4

Docker version 19.03.8, build afacb8b

docker-compose version 1.25.5, build 8a1c60f6