if err != nil {
		return nil, errors.Wrap(err, "unable to fetch the kubeadm-config ConfigMap")
	}

	ignorePreflightErrorsSet, err := validation.ValidateIgnorePreflightErrors(nodeOptions.ignorePreflightErrors, upgradeCfg.Node.IgnorePreflightErrors)
	if err != nil {
		return nil, err
	}

		}
	} else {
		klog.V(1).Infof("[reset] Could not obtain a client set from the kubeconfig file: %s", opts.kubeconfigPath)
	}

	ignorePreflightErrorsSet, err := validation.ValidateIgnorePreflightErrors(opts.ignorePreflightErrors, resetCfg.IgnorePreflightErrors)
	if err != nil {
		return nil, err
	}
	if initCfg != nil {

			[]string{"a", "b"},
			sets.New[string](),
			true,
		},
	}
	for _, rt := range tests {
		result, err := ValidateIgnorePreflightErrors(rt.ignorePreflightErrorsFromCLI, rt.ignorePreflightErrorsFromConfigFile)
		switch {
		case err != nil && !rt.expectedError:
			t.Errorf("ValidateIgnorePreflightErrors: unexpected error for input (%s, %s), error: %v", rt.ignorePreflightErrorsFromCLI, rt.ignorePreflightErrorsFromConfigFile, err)

	if err != nil {
		return nil, nil, nil, nil, errors.Wrapf(err, "couldn't create a Kubernetes client from file %q", flags.kubeConfigPath)
	}

	ignorePreflightErrorsSet, err := validation.ValidateIgnorePreflightErrors(flags.ignorePreflightErrors, ignoreErrCfg)
	if err != nil {
		return nil, nil, nil, nil, err
	}

		}
	}

	return allErrs
}

// ValidateIgnorePreflightErrors validates duplicates in:
// - ignore-preflight-errors flag and
// - ignorePreflightErrors field in {Init,Join}Configuration files.
func ValidateIgnorePreflightErrors(ignorePreflightErrorsFromCLI, ignorePreflightErrorsFromConfigFile []string) (sets.Set[string], error) {

		SkipCRIDetect: initOptions.skipCRIDetect,
	})
	if err != nil {
		return nil, err
	}

	ignorePreflightErrorsSet, err := validation.ValidateIgnorePreflightErrors(initOptions.ignorePreflightErrors, cfg.NodeRegistration.IgnorePreflightErrors)
	if err != nil {
		return nil, err
	}

		SkipCRIDetect: opt.skipCRIDetect,
	})
	if err != nil {
		return nil, err
	}

	ignorePreflightErrorsSet, err := validation.ValidateIgnorePreflightErrors(opt.ignorePreflightErrors, cfg.NodeRegistration.IgnorePreflightErrors)
	if err != nil {
		return nil, err
	}