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b=null,c=a();return{start:function(){this.mark("mark_axe_start")},end:function(){this.mark("mark_axe_end"),this.measure("axe","mark_axe_start","mark_axe_end"),this.logMeasures("axe")},auditStart:function(){this.mark("mark_audit_start")},auditEnd:function(){this.mark("mark_audit_end"),this.measure("audit_start_to_end","mark_audit_start","mark_audit_end"),this.logMeasures()},mark:function(a){window.performance&&void 0!==window.performance.mark&&window.performance.mark(a)},measure:function(a,b,c){window.performance&&void 0!==window.performance.measure&&window.performance.measure(a,b,c)},logMeasures:function(a){function b(a){axe.log("Measure "+a.name+" took "+a.duration+"ms")}if(window.performance&&void 0!==window.performance.getEntriesByType)for(var c=window.performance.getEntriesByType("measure"),d=0;d>>0,e=arguments[1],f=0;f=0?d=e:(d=c+e)<0&&(d=0);for(var f;d>>0,d=arguments.length>=2?arguments[1]:void 0,e=0;e0?1:-1)*Math.floor(Math.abs(b)):b},d=Math.pow(2,53)-1,e=function(a){var 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