// input YAML with defaults applied to omitted configuration values.
func ApplyMeshConfigDefaults(yaml string) (*meshconfig.MeshConfig, error) {
	return ApplyMeshConfig(yaml, DefaultMeshConfig())
}

func DeepCopyMeshConfig(mc *meshconfig.MeshConfig) (*meshconfig.MeshConfig, error) {
	j, err := protomarshal.ToJSON(mc)
	if err != nil {
		return nil, err
	}
	nmc := &meshconfig.MeshConfig{}

			if c.setup != nil {
				c.setup(t)
			} else {
				// Tests with custom setup modify global state and cannot run in parallel
				t.Parallel()
			}

			mc, err := mesh.DeepCopyMeshConfig(defaultMesh)
			if err != nil {
				t.Fatal(err)
			}
			sidecarTemplate, valuesConfig := defaultTemplate, defaultValues
			if c.setFlags != nil || c.inFilePath != "" {