__d('TimeSlice',['invariant','CircularBuffer','Env','ErrorUtils','Heartbeat','LogBuffer','MutationCountingExecutionObserver','ProfilingCounters','TimeSliceRefCountingWrapper','nullthrows','performanceAbsoluteNow','wrapFunction'],(function a(b,c,d,e,f,g,h){var i=[],j=[],k=1,l=false,m=void 0,n=0,o=1,p=2,q=n,r=new (c('CircularBuffer'))(100),s=0,t=0,u=c('Env').shouldLogCounters,v='stackTraceLimit' in Error,w=[];function x(aa){w.push(aa.name);var ba=m;m=aa;return ba;}function y(aa,ba,ca){j.forEach(function(da){da.onAfterContextEnded(m,ba[da.getBeforeID()],ca);});m=aa;w.pop();}var z={guard:function aa(ba,ca,da){typeof ba==='function'||h(0);typeof ca==='string'||h(0);if(ba.__tsGuarded)return ba;if(!da||!da.root)z.checkCoverage();var ea=void 0;if(l)ea=m;var fa={},ga=function ha(){var ia=void 0,ja=k++;i.forEach(function(qa){var ra=fa[qa.getBeforeID()],sa=qa.onBeforeContextStarted(ja,ra,da);fa[qa.getBeforeID()]=sa;});var ka={contextID:ja,name:ca,isRoot:!l},la=x(ka);if(ea!=null)if(ea.isRoot){ka.indirectParentID=ea.contextID;}else ka.indirectParentID=ea.indirectParentID;var ma=void 0,na=void 0;l=true;try{if(!ka.isRoot){return ba.apply(this,arguments);}else{var oa='TimeSlice'+(ca?': '+ca:'');ma=c('performanceAbsoluteNow')();ia=c('ErrorUtils').applyWithGuard(ba,this,arguments,null,oa);na=c('performanceAbsoluteNow')();t+=na-ma;c('Heartbeat').updateExecution(ma,na,ca);return ia;}}finally{if(m.isRoot&&na!=null){var pa=babelHelpers['extends']({begin:ma,end:na,id:m.contextID,parentID:ea&&ea.contextID,indirectParentID:m.indirectParentID,guard:ca,counters:u?c('ProfilingCounters').currentContext():null},da,ba.__SMmeta);c('LogBuffer').write('time_slice',pa);}l=!m.isRoot;y(la,fa,da);}};ga=ga;i.forEach(function(ha){var ia=ha.onNewContextCreated(m,ca,ga,da);fa[ha.getBeforeID()]=ia;});ga.__tsGuarded=true;return ga;},inGuard:function aa(){return l;},checkCoverage:function aa(){var ba=void 0;if(q!==p&&!l){if(v){ba=Error.stackTraceLimit;Error.stackTraceLimit=50;}var ca=new Error('Missing TimeSlice coverage');if(v)Error.stackTraceLimit=ba;ca.type='warn';if(q===o&&Math.random()<s){c('ErrorUtils').reportError(ca);}else if(q===n)c('nullthrows')(r).write(ca);}},setLogging:function aa(ba,ca){if(q!==n)return;s=ca;if(ba){q=o;c('nullthrows')(r).read().forEach(function(da){if(Math.random()<s)c('ErrorUtils').reportError(da);});}else q=p;c('nullthrows')(r).clear();r=undefined;},enableHeartbeat:function aa(){return c('Heartbeat').enableHeartbeat();},disablePageHeartbeat:function aa(){c('Heartbeat').disablePageHeartbeat();},getContext:function aa(){if(!l)return null;return {id:m.contextID,name:m.name};},getTotalTime:function aa(){return t;},getGuardedContinuation:function aa(ba){return z.guard(function ca(da){for(var ea=arguments.length,fa=Array(ea>1?ea-1:0),ga=1;ga<ea;ga++)fa[ga-1]=arguments[ga];return da.apply(this,fa);},ba,{isContinuation:true});},getGuardNameStack:function aa(){return w.slice();},registerExecutionContextObserver:function aa(ba){var ca=false;for(var da=0;da<i.length;da++)if(i[da].getBeforeID()>ba.getBeforeID()){i.splice(da,0,ba);ca=true;break;}if(!ca)i.push(ba);for(var ea=0;ea<j.length;ea++)if(j[ea].getAfterID()>ba.getAfterID()){j.splice(ea,0,ba);return;}j.push(ba);}};z.registerExecutionContextObserver(c('TimeSliceRefCountingWrapper').getObserver());z.registerExecutionContextObserver(c('ProfilingCounters').getObserver());z.registerExecutionContextObserver(c('MutationCountingExecutionObserver'));c('wrapFunction').setWrapper(z.guard,'entry');b.TimeSlice=z;f.exports=z;}),19);