Each hook of flot package should be optional (#15041)
Each hook of flot package should be optional (#15041)

Previously if you defined one type of hook, you had to define all hooks.
aciccarello/DefinitelyTyped,alexdresko/DefinitelyTyped,isman-usoh/DefinitelyTyped,minodisk/DefinitelyTyped,magny/DefinitelyTyped,benishouga/DefinitelyTyped,YousefED/DefinitelyTyped,minodisk/DefinitelyTyped,zuzusik/DefinitelyTyped,aciccarello/DefinitelyTyped,dsebastien/DefinitelyTyped,benliddicott/DefinitelyTyped,arusakov/DefinitelyTyped,benishouga/DefinitelyTyped,ashwinr/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,AgentME/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,georgemarshall/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,mcrawshaw/DefinitelyTyped,QuatroCode/DefinitelyTyped,chrootsu/DefinitelyTyped,GiedriusGrabauskas/DefinitelyTyped,dsebastien/DefinitelyTyped,borisyankov/DefinitelyTyped,chrootsu/DefinitelyTyped,mcliment/DefinitelyTyped,benishouga/DefinitelyTyped,arusakov/DefinitelyTyped,magny/DefinitelyTyped,rolandzwaga/DefinitelyTyped,aciccarello/DefinitelyTyped,GiedriusGrabauskas/DefinitelyTyped,amir-arad/DefinitelyTyped,abbasmhd/DefinitelyTyped,arusakov/DefinitelyTyped,jimthedev/DefinitelyTyped,mcrawshaw/DefinitelyTyped,georgemarshall/DefinitelyTyped,isman-usoh/DefinitelyTyped,laurentiustamate94/DefinitelyTyped,AgentME/DefinitelyTyped,QuatroCode/DefinitelyTyped,ashwinr/DefinitelyTyped,nycdotnet/DefinitelyTyped,one-pieces/DefinitelyTyped,rolandzwaga/DefinitelyTyped,jimthedev/DefinitelyTyped,markogresak/DefinitelyTyped,smrq/DefinitelyTyped,YousefED/DefinitelyTyped,alexdresko/DefinitelyTyped,abbasmhd/DefinitelyTyped,borisyankov/DefinitelyTyped,georgemarshall/DefinitelyTyped,zuzusik/DefinitelyTyped,zuzusik/DefinitelyTyped,johan-gorter/DefinitelyTyped,johan-gorter/DefinitelyTyped,georgemarshall/DefinitelyTyped,nycdotnet/DefinitelyTyped,smrq/DefinitelyTyped,jimthedev/DefinitelyTyped,AgentME/DefinitelyTyped,AgentME/DefinitelyTyped