Fixing incorrect types on quick start guide (#16957)
Fixing incorrect types on quick start guide (#16957)

Merging on behalf of @DanMcNultyDev
mattwar/roslyn,robinsedlaczek/roslyn,MichalStrehovsky/roslyn,AlekseyTs/roslyn,amcasey/roslyn,lorcanmooney/roslyn,DustinCampbell/roslyn,MichalStrehovsky/roslyn,sharwell/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,AmadeusW/roslyn,CyrusNajmabadi/roslyn,orthoxerox/roslyn,panopticoncentral/roslyn,sharwell/roslyn,KevinRansom/roslyn,mavasani/roslyn,jeffanders/roslyn,mgoertz-msft/roslyn,wvdd007/roslyn,eriawan/roslyn,paulvanbrenk/roslyn,weltkante/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,TyOverby/roslyn,agocke/roslyn,tmeschter/roslyn,mmitche/roslyn,jkotas/roslyn,kelltrick/roslyn,bkoelman/roslyn,mattscheffer/roslyn,paulvanbrenk/roslyn,heejaechang/roslyn,swaroop-sridhar/roslyn,mavasani/roslyn,dotnet/roslyn,Hosch250/roslyn,bartdesmet/roslyn,dotnet/roslyn,zooba/roslyn,jmarolf/roslyn,TyOverby/roslyn,jcouv/roslyn,physhi/roslyn,jasonmalinowski/roslyn,tannergooding/roslyn,tmeschter/roslyn,eriawan/roslyn,xasx/roslyn,bartdesmet/roslyn,KirillOsenkov/roslyn,KirillOsenkov/roslyn,stephentoub/roslyn,diryboy/roslyn,wvdd007/roslyn,mgoertz-msft/roslyn,CaptainHayashi/roslyn,tvand7093/roslyn,akrisiun/roslyn,jamesqo/roslyn,mattwar/roslyn,panopticoncentral/roslyn,drognanar/roslyn,DustinCampbell/roslyn,orthoxerox/roslyn,physhi/roslyn,amcasey/roslyn,reaction1989/roslyn,kelltrick/roslyn,jeffanders/roslyn,srivatsn/roslyn,TyOverby/roslyn,jeffanders/roslyn,abock/roslyn,AmadeusW/roslyn,reaction1989/roslyn,KevinRansom/roslyn,VSadov/roslyn,xasx/roslyn,pdelvo/roslyn,AnthonyDGreen/roslyn,mattscheffer/roslyn,MattWindsor91/roslyn,paulvanbrenk/roslyn,khyperia/roslyn,genlu/roslyn,yeaicc/roslyn,AmadeusW/roslyn,pdelvo/roslyn,gafter/roslyn,OmarTawfik/roslyn,yeaicc/roslyn,MattWindsor91/roslyn,aelij/roslyn,brettfo/roslyn,dpoeschl/roslyn,shyamnamboodiripad/roslyn,jasonmalinowski/roslyn,jcouv/roslyn,jkotas/roslyn,MattWindsor91/roslyn,bartdesmet/roslyn,KirillOsenkov/roslyn,CaptainHayashi/roslyn,tmat/roslyn,Giftednewt/roslyn,srivatsn/roslyn,kelltrick/roslyn,khyperia/roslyn,orthoxerox/roslyn,mmitche/roslyn,wvdd007/roslyn,davkean/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,robinsedlaczek/roslyn,jcouv/roslyn,zooba/roslyn,Hosch250/roslyn,gafter/roslyn,amcasey/roslyn,VSadov/roslyn,ErikSchierboom/roslyn,reaction1989/roslyn,mmitche/roslyn,drognanar/roslyn,cston/roslyn,swaroop-sridhar/roslyn,tmeschter/roslyn,lorcanmooney/roslyn,mgoertz-msft/roslyn,genlu/roslyn,lorcanmooney/roslyn,tmat/roslyn,stephentoub/roslyn,davkean/roslyn,brettfo/roslyn,jamesqo/roslyn,davkean/roslyn,jamesqo/roslyn,diryboy/roslyn,mavasani/roslyn,bkoelman/roslyn,ErikSchierboom/roslyn,tvand7093/roslyn,OmarTawfik/roslyn,nguerrera/roslyn,pdelvo/roslyn,khyperia/roslyn,CyrusNajmabadi/roslyn,swaroop-sridhar/roslyn,shyamnamboodiripad/roslyn,mattscheffer/roslyn,AlekseyTs/roslyn,cston/roslyn,xasx/roslyn,genlu/roslyn,nguerrera/roslyn,aelij/roslyn,jasonmalinowski/roslyn,zooba/roslyn,robinsedlaczek/roslyn,heejaechang/roslyn,stephentoub/roslyn,akrisiun/roslyn,panopticoncentral/roslyn,MattWindsor91/roslyn,agocke/roslyn,dotnet/roslyn,Giftednewt/roslyn,brettfo/roslyn,AnthonyDGreen/roslyn,Hosch250/roslyn,DustinCampbell/roslyn,agocke/roslyn,aelij/roslyn,diryboy/roslyn,nguerrera/roslyn,yeaicc/roslyn,drognanar/roslyn,MichalStrehovsky/roslyn,cston/roslyn,ErikSchierboom/roslyn,jkotas/roslyn,Giftednewt/roslyn,tvand7093/roslyn,KevinRansom/roslyn,CaptainHayashi/roslyn,tannergooding/roslyn,CyrusNajmabadi/roslyn,weltkante/roslyn,jmarolf/roslyn,physhi/roslyn,tannergooding/roslyn,tmat/roslyn,heejaechang/roslyn,weltkante/roslyn,mattwar/roslyn,shyamnamboodiripad/roslyn,dpoeschl/roslyn,OmarTawfik/roslyn,abock/roslyn,gafter/roslyn,abock/roslyn,bkoelman/roslyn,sharwell/roslyn,AlekseyTs/roslyn,dpoeschl/roslyn,akrisiun/roslyn,srivatsn/roslyn,jmarolf/roslyn,eriawan/roslyn,AnthonyDGreen/roslyn,VSadov/roslyn