[request] fix for Typescript 2.4
[request] fix for Typescript 2.4

zuzusik/DefinitelyTyped,GiedriusGrabauskas/DefinitelyTyped,markogresak/DefinitelyTyped,magny/DefinitelyTyped,georgemarshall/DefinitelyTyped,benishouga/DefinitelyTyped,alexdresko/DefinitelyTyped,dsebastien/DefinitelyTyped,minodisk/DefinitelyTyped,benishouga/DefinitelyTyped,arusakov/DefinitelyTyped,AgentME/DefinitelyTyped,AgentME/DefinitelyTyped,nycdotnet/DefinitelyTyped,amir-arad/DefinitelyTyped,jimthedev/DefinitelyTyped,alexdresko/DefinitelyTyped,dsebastien/DefinitelyTyped,aciccarello/DefinitelyTyped,laurentiustamate94/DefinitelyTyped,abbasmhd/DefinitelyTyped,rolandzwaga/DefinitelyTyped,mcliment/DefinitelyTyped,ashwinr/DefinitelyTyped,aciccarello/DefinitelyTyped,GiedriusGrabauskas/DefinitelyTyped,arusakov/DefinitelyTyped,borisyankov/DefinitelyTyped,benishouga/DefinitelyTyped,QuatroCode/DefinitelyTyped,georgemarshall/DefinitelyTyped,jimthedev/DefinitelyTyped,arusakov/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,jimthedev/DefinitelyTyped,zuzusik/DefinitelyTyped,magny/DefinitelyTyped,georgemarshall/DefinitelyTyped,AgentME/DefinitelyTyped,georgemarshall/DefinitelyTyped,ashwinr/DefinitelyTyped,nycdotnet/DefinitelyTyped,borisyankov/DefinitelyTyped,benliddicott/DefinitelyTyped,QuatroCode/DefinitelyTyped,one-pieces/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,isman-usoh/DefinitelyTyped,chrootsu/DefinitelyTyped,aciccarello/DefinitelyTyped,abbasmhd/DefinitelyTyped,isman-usoh/DefinitelyTyped,chrootsu/DefinitelyTyped,rolandzwaga/DefinitelyTyped,AgentME/DefinitelyTyped,minodisk/DefinitelyTyped,zuzusik/DefinitelyTyped,AbraaoAlves/DefinitelyTyped