toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() {
final CLS = this.CLS;
final FCP = this.FCP;
final INP = this.INP;
final LCP = this.LCP;
final TBT = this.TBT;
return {'CLS': ?CLS, 'FCP': ?FCP, 'INP': ?INP, 'LCP': ?LCP, 'TBT': ?TBT};
}