I am trying WebStorm IDE for Angular 2 Development. But stuck with irrelevant warnings/errors on TS files

Below is the screenshot from WebStorm:

I have tried setting TS compiler in

File>Settings>Language&Frameworks>TypeScript and below is the screenshot

Kindly assist

{
"compileOnSave": true,
"compilerOptions": {
    "outDir": "./dist/out-tsc",
    "baseUrl": "src",
    "sourceMap": true,
    "declaration": false,
    "moduleResolution": "node",
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "target": "es5",
    "typeRoots": [
        "node_modules/@types"
    ],
    "lib": [
        "es2016",
        "dom"
    ]
}
}