no-dupe-class-members issue

.eslintrc.json

{
  "parser": "@typescript-eslint/parser",
  "plugins": ["@typescript-eslint"],
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended"
  ],
  "rules": {
    "@typescript-eslint/indent": ["error", 2],
    "no-dupe-class-members": "off"
  }
}

package.json

{
  "scripts": {
    "lint": "eslint \"**/*.ts\""
  },
  "devDependencies": {
    "@typescript-eslint/eslint-plugin": "^1.9.0",
    "@typescript-eslint/parser": "^1.9.0",
    "eslint": "^5.16.0",
    "typescript": "^3.5.1"
  }
}

test.ts

class Foo {
  public bar(baz: string);
  public bar(qux: number);
  public bar(val: any) {
  }
}