ValuesOrFail(test.Failer) OperatorValues
	// MeshConfig used by the Istio installation.
	MeshConfig() (*meshconfig.MeshConfig, error)
	MeshConfigOrFail(test.Failer) *meshconfig.MeshConfig
	// UpdateMeshConfig used by the Istio installation.
	UpdateMeshConfig(resource.Context, func(*meshconfig.MeshConfig) error, cleanup.Strategy) error
	UpdateMeshConfigOrFail(resource.Context, test.Failer, func(*meshconfig.MeshConfig) error, cleanup.Strategy)

		return err
	}

	providerNames := sets.New[string]()
	for _, p := range newMC.GetExtensionProviders() {
		providerNames.Insert(p.Name)
	}

	return ist.UpdateMeshConfig(ctx,
		func(mc *meshconfig.MeshConfig) error {
			newProviders := []*meshconfig.MeshConfig_ExtensionProvider{}
			// Merge the extension providers.
			// If we are overwriting an existing one, keep the new one.