It looks like you are using an older version of the compiler.
You need to download and install the TypeScript 1.5 beta (or newer) in order to use ES6 style imports and annotations.
You can check the version you currently have installed using:
tsc --version
It should give you Version 1.5.0-beta
.
If you already have it installed, perhaps your PATH
variable still points to the old folder, so edit your PATH variable to point to the latest folder, i.e.
C:Program Files (x86)Microsoft SDKsTypeScript1.5;
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