Fix return-type annotation in index.d.ts for setRobustnessLevel
Created by: saradha-kannan
Fix return-type annotation in index.d.ts for setRobustnessLevel to void as it has implicit 'any' return-type
Created by: saradha-kannan
Fix return-type annotation in index.d.ts for setRobustnessLevel to void as it has implicit 'any' return-type