clone(){const clone=new tr.v.d.UnmergeableDiagnosticSet();clone.addDiagnostic(this);return clone;}
canAddDiagnostic(otherDiagnostic){return true;}
addDiagnostic(otherDiagnostic){if(otherDiagnostic instanceof UnmergeableDiagnosticSet){for(const subOtherDiagnostic of otherDiagnostic){const clone=subOtherDiagnostic.clone();this.addDiagnostic(clone);}
return;}