no, it should not copy (use another SafeMap if the value is not thread safe)
no, it should not copy (use another SafeMap if the value is not thread safe)

lcp0578/nsq,msn217/nsq,JustinAzoff/nsq,rpau/nsq,mroth/nsq,coderhaoxin/nsq,bo406/nsq,wmydz1/nsq,handsomesun/nsq,danielhfrank/nsq,kesutton/nsq,davegardnerisme/nsq,w3hacker/nsq,ShinichR/nsq,lcp0578/nsq,mashuai/nsq,jehiah/nsq,sparklxb/nsq,davegardnerisme/nsq,moander/nsq,gaowenbin/nsq,wmydz1/nsq,jlr52/nsq,mynameisfiber/nsq,handsomesun/nsq,myhongkongzhen/nsq,wmydz1/nsq,mynameisfiber/nsq,jsocol/nsq,judwhite/nsq-0.3.2-win,chrislusf/nsq,propellerads/nsq,w4ngyi/nsq,mroth/nsq,ploxiln/nsq,shanemhansen/nsq,coderhaoxin/nsq,mashuai/nsq,beni55/nsq,w4ngyi/nsq,dustismo/nsq,philipbo/nsq,youxidev/nsq,magastzheng/nsq,msn217/nsq,lytics/nsq,OlafRadicke/nsq,seanluo/nsq_with_note,menghan/nsq,danielhfrank/nsq,msn217/nsq,Dieterbe/nsq,fbjork/nsq,kevinc0825/nsq,wuxu92/nsq,beni55/nsq,davegardnerisme/nsq,kevinc0825/nsq,lcp0578/nsq,youxidev/nsq,magastzheng/nsq,beni55/nsq,sunminghong/nsq,szqh97/nsq,jlr52/nsq,dmarkham/nsq,absolute8511/nsq,gaowenbin/nsq,propellerads/nsq,elubow/nsq,mashuai/nsq,rpau/nsq,moander/nsq,szqh97/nsq,propellerads/nsq,xiexingguang/nsq,nsqio/nsq,kesutton/nsq,absolute8511/nsq,mikeqian/nsq,seanluo/nsq_with_note,MadBomber/nsq,youxidev/nsq,chaosue/nsq,tophymastery/nsq,jmptrader/nsq,mikeqian/nsq,yh453926638/nsq,MadBomber/nsq,judwhite/nsq-0.3.2-win,sparklxb/nsq,mreiferson/nsq,absolute8511/nsq,moander/nsq,wuxu92/nsq,msn217/nsq,CrazyJvm/nsq,19hz/nsq,magastzheng/nsq,jlr52/nsq,absolute8511/nsq,nimmen/nsq,gaowenbin/nsq,myhongkongzhen/nsq,nieanan/nsq,coderhaoxin/nsq,qinlodestar/nsq,szqh97/nsq,mikedewar/nsq,ShinichR/nsq,ShinichR/nsq,beni55/nsq,yh453926638/nsq,rpau/nsq,xuzhaokui/nsq,w3hacker/nsq,nsqio/nsq,menghan/nsq,bitly/nsq,MadBomber/nsq,chaosue/nsq,datastream/nsq,mreiferson/nsq,jsocol/nsq,xuzhaokui/nsq,w4ngyi/nsq,qinlodestar/nsq,philipbo/nsq,bitly/nsq,CrazyJvm/nsq,rpau/nsq,chrislusf/nsq,mikedewar/nsq,jlr52/nsq,philipbo/nsq,fbjork/nsq,chaosue/nsq,mikeqian/nsq,myhongkongzhen/nsq,mikedewar/nsq,dinedal/nsq,dmarkham/nsq,gaowenbin/nsq,nieanan/nsq,elubow/nsq,qinlodestar/nsq,ShinichR/nsq,shanemhansen/nsq,szqh97/nsq,chrisroberts/nsq,bitly/nsq,myhongkongzhen/nsq,OlafRadicke/nsq,jmptrader/nsq,w4ngyi/nsq,MadBomber/nsq,19hz/nsq,chaosue/nsq,jehiah/nsq,handsomesun/nsq,lytics/nsq,sparklxb/nsq,pombredanne/nsq,philipbo/nsq,sunminghong/nsq,judwhite/nsq-0.3.2-win,sparklxb/nsq,mashuai/nsq,Dieterbe/nsq,Dieterbe/nsq,JustinAzoff/nsq,Dieterbe/nsq,mreiferson/nsq,bo406/nsq,ploxiln/nsq,jehiah/nsq,szqh97/nsq,xiexingguang/nsq,CrazyJvm/nsq,beni55/nsq,xiexingguang/nsq,yh453926638/nsq,msn217/nsq,ShinichR/nsq,coderhaoxin/nsq,OlafRadicke/nsq,lcp0578/nsq,xiexingguang/nsq,gaowenbin/nsq,lcp0578/nsq,wmydz1/nsq,chrislusf/nsq,mikeqian/nsq,bitly/nsq,tophymastery/nsq,dinedal/nsq,mreiferson/nsq,Dieterbe/nsq,JustinAzoff/nsq,CrazyJvm/nsq,wmydz1/nsq,xuzhaokui/nsq,wuxu92/nsq,jehiah/nsq,handsomesun/nsq,nsqio/nsq,MadBomber/nsq,chrisroberts/nsq,datastream/nsq,coderhaoxin/nsq,myhongkongzhen/nsq,rpau/nsq,ploxiln/nsq,handsomesun/nsq,nsqio/nsq,jlr52/nsq,svmehta/nsq,mikeqian/nsq,svmehta/nsq,kesutton/nsq,qinlodestar/nsq,philipbo/nsq,xiexingguang/nsq,pombredanne/nsq,chaosue/nsq,kesutton/nsq,w4ngyi/nsq,bitly/nsq,nsqio/nsq,jmptrader/nsq,danielhfrank/nsq,sparklxb/nsq,mashuai/nsq,yh453926638/nsq,ploxiln/nsq,ploxiln/nsq,kesutton/nsq,nimmen/nsq,qinlodestar/nsq,nieanan/nsq,bo406/nsq,19hz/nsq,bo406/nsq,absolute8511/nsq,yh453926638/nsq,bo406/nsq,kevinc0825/nsq,jehiah/nsq,dustismo/nsq,CrazyJvm/nsq,mreiferson/nsq