You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: smd.go
    path of file: ./repos/sealer/vendor/k8s.io/kube-openapi/pkg/schemaconv
    
    the code of the file until where you have to start completion: /*
Copyright 2017 The Kubernetes Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable
    
func (c *convert) VisitArray(a *proto.Array) {
	atom := c.top()
	atom.List = &schema.List{
		ElementRelationship: schema.Atomic,
	}
	l := atom.List
	l.ElementType = c.makeRef(a.SubType, c.preserveUnknownFields)

	ext := a.GetExtensions()

	if val, ok := ext["x-kubernetes-list-type"]; ok {
		if val == "atomic" {
			l.ElementRelationship = schema.Atomic
		} else if val == "set" {
			l.ElementRelationship = schema.Associative
		} else if val == "map" {
			l.ElementRelationship = schema.Associative
			if keys, ok := ext["x-kubernetes-list-map-keys"]; ok {
				if keyNames, ok := toStringSlice(keys); ok {
					l.Keys = keyNames
				} else {
					c.reportError("uninterpreted map keys: %#v", keys)
				}
			} else {
				c.reportError("missing map keys")
			}
		} else {
			c.reportError("unknown list type %v", val)
			l.ElementRelationship = schema.Atomic
		}
	} else if val, ok := ext["x-kubernetes-patch-strategy"]; ok {
		if val == "merge" || val == "merge,retainKeys" {
			l.ElementRelationship = schema.Associative
			if key, ok := ext["x-kubernetes-patch-merge-key"]; ok {
				if keyName, ok := key.(string); ok {
					l.Keys = []string{keyName}
				} else {
					c.reportError("uninterpreted merge key: %#v", key)
				}
			} else {
				// It's not an error for this to be absent, it
				// means it's a set.
			}
		} else if val == "retainKeys" {
		} else {
			c.reportError("unknown patch strategy %v", val)
			l.ElementRelationship = schema.Atomic
		}
	}
}