code: FunctionTypeBuilder inferConstructorParameters(FunctionType superCtor) {
      inferImplicitConstructorParameters(superCtor.getParametersNode().cloneTree());
  
      // Look for template parameters in superCtor that are missing from its instance type.
      setConstructorTemplateTypeNames(superCtor.getConstructorOnlyTemplateParameters(), null);
  
      return this;
    }
docs: Infer constructor parameters from the superclass constructor.