Enable autocomplete/keywords of Salesforce SLDS CSS



In doing lightning development with Salesforce, I am constantly referencing the Salesforce SLDS CSS class library. However, autocomplete only works when the given class is already used at least once somewhere else in the same component. Is it possible to reference the complete SLDS file so that autocomplete is available for complete set of SLDS classes? Even if I had to manually manage a keywords.txt file it would be worth it.