Consider the image below:
In Resharper 2016 this has been renamed to ECMAScript 2015. It's available under
Resharper Options | Code Editing | Javascript | Inspections
ReSharper 9.2 uses ECMAScript version specified in Project Properties | Typescript Build | ECMAScript version.
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In Resharper 2016 this has been renamed to ECMAScript 2015. It's available under
Resharper Options | Code Editing | Javascript | Inspections