build.gradle file, task using << notation, intellij warns: “Cannot infer argument type”

Question

I\'m new to groovy and gradle and was wondering whether someone knew why my scriplet wasn\'t working (edit actually it does work but the warning still appears). This section is

Answer 1

In Intelij press Double shift (search all) enter "Assignment Issues" and change Assignment Issues: Incompatible type assignments inspection to "OFF"