kubernetes/vendor/sigs.k8s.io/kustomize/kyaml/order/syncorder.go

// SyncOrder recursively sorts the map node keys in 'to' node to match the order of
// map node keys in 'from' node at same tree depth, additional keys are moved to the end
// Field order might be altered due to round-tripping in arbitrary functions.
// This functionality helps to retain the original order of fields to avoid unnecessary diffs.
func SyncOrder(from, to *yaml.RNode) error { … }

func syncOrder(from, to *yaml.RNode) error { … }

// VisitElements calls fn for each element in a SequenceNode.
// Returns an error for non-SequenceNodes
func VisitElements(from, to *yaml.RNode, fn func(fNode, tNode *yaml.RNode) error) error { … }

// VisitFields calls fn for each field in the RNode.
// Returns an error for non-MappingNodes.
func VisitFields(from, to *yaml.RNode, fn func(fNode, tNode *yaml.MapNode) error) error { … }

// rearrangeHeadCommentOfSeqNode addresses a remote corner case due to moving a
// map node in a sequence node with a head comment to the top
func rearrangeHeadCommentOfSeqNode(node *yaml.Node) { … }