diff --git a/what-changed/model/comparison_functions.go b/what-changed/model/comparison_functions.go
index 78d8b1f..6095d15 100644
--- a/what-changed/model/comparison_functions.go
+++ b/what-changed/model/comparison_functions.go
@@ -4,82 +4,83 @@
 package model
 
 import (
-    "fmt"
-    "github.com/pb33f/libopenapi/datamodel/low"
-    "gopkg.in/yaml.v3"
-    "strings"
-    "sync"
+	"fmt"
+	"strings"
+	"sync"
+
+	"github.com/pb33f/libopenapi/datamodel/low"
+	"gopkg.in/yaml.v3"
 )
 
 const (
-    HashPh    = "%x"
-    EMPTY_STR = ""
+	HashPh    = "%x"
+	EMPTY_STR = ""
 )
 
 // CreateChange is a generic function that will create a Change of type T, populate all properties if set, and then
 // add a pointer to Change[T] in the slice of Change pointers provided
 func CreateChange(changes *[]*Change, changeType int, property string, leftValueNode, rightValueNode *yaml.Node,
-    breaking bool, originalObject, newObject any) *[]*Change {
+	breaking bool, originalObject, newObject any) *[]*Change {
 
-    // create a new context for the left and right nodes.
-    ctx := CreateContext(leftValueNode, rightValueNode)
-    c := &Change{
-        Context:    ctx,
-        ChangeType: changeType,
-        Property:   property,
-        Breaking:   breaking,
-    }
-    // if the left is not nil, we have an original value
-    if leftValueNode != nil && leftValueNode.Value != "" {
-        c.Original = leftValueNode.Value
-    }
-    // if the right is not nil, then we have a new value
-    if rightValueNode != nil && rightValueNode.Value != "" {
-        c.New = rightValueNode.Value
-    }
-    // original and new objects
-    c.OriginalObject = originalObject
-    c.NewObject = newObject
+	// create a new context for the left and right nodes.
+	ctx := CreateContext(leftValueNode, rightValueNode)
+	c := &Change{
+		Context:    ctx,
+		ChangeType: changeType,
+		Property:   property,
+		Breaking:   breaking,
+	}
+	// if the left is not nil, we have an original value
+	if leftValueNode != nil && leftValueNode.Value != "" {
+		c.Original = leftValueNode.Value
+	}
+	// if the right is not nil, then we have a new value
+	if rightValueNode != nil && rightValueNode.Value != "" {
+		c.New = rightValueNode.Value
+	}
+	// original and new objects
+	c.OriginalObject = originalObject
+	c.NewObject = newObject
 
-    // add the change to supplied changes slice
-    *changes = append(*changes, c)
-    return changes
+	// add the change to supplied changes slice
+	*changes = append(*changes, c)
+	return changes
 }
 
 // CreateContext will return a pointer to a ChangeContext containing the original and new line and column numbers
 // of the left and right value nodes.
 func CreateContext(l, r *yaml.Node) *ChangeContext {
-    ctx := new(ChangeContext)
-    if l != nil {
-        ctx.OriginalLine = &l.Line
-        ctx.OriginalColumn = &l.Column
-    }
-    if r != nil {
-        ctx.NewLine = &r.Line
-        ctx.NewColumn = &r.Column
-    }
-    return ctx
+	ctx := new(ChangeContext)
+	if l != nil {
+		ctx.OriginalLine = &l.Line
+		ctx.OriginalColumn = &l.Column
+	}
+	if r != nil {
+		ctx.NewLine = &r.Line
+		ctx.NewColumn = &r.Column
+	}
+	return ctx
 }
 
 func FlattenLowLevelMap[T any](
-    lowMap map[low.KeyReference[string]]low.ValueReference[T]) map[string]*low.ValueReference[T] {
-    flat := make(map[string]*low.ValueReference[T])
-    for i := range lowMap {
-        l := lowMap[i]
-        flat[i.Value] = &l
-    }
-    return flat
+	lowMap map[low.KeyReference[string]]low.ValueReference[T]) map[string]*low.ValueReference[T] {
+	flat := make(map[string]*low.ValueReference[T])
+	for i := range lowMap {
+		l := lowMap[i]
+		flat[i.Value] = &l
+	}
+	return flat
 }
 
 // CountBreakingChanges counts the number of changes in a slice that are breaking
 func CountBreakingChanges(changes []*Change) int {
-    b := 0
-    for i := range changes {
-        if changes[i].Breaking {
-            b++
-        }
-    }
-    return b
+	b := 0
+	for i := range changes {
+		if changes[i].Breaking {
+			b++
+		}
+	}
+	return b
 }
 
 // CheckForObjectAdditionOrRemoval will check for the addition or removal of an object from left and right maps.
@@ -90,76 +91,77 @@ func CountBreakingChanges(changes []*Change) int {
 // properties like descriptions, summaries and other non-binding values, so a breakingRemove value can be tuned for
 // these circumstances.
 func CheckForObjectAdditionOrRemoval[T any](l, r map[string]*low.ValueReference[T], label string, changes *[]*Change,
-    breakingAdd, breakingRemove bool) {
-    var left, right T
-    if CheckSpecificObjectRemoved(l, r, label) {
-        left = l[label].GetValue()
-        CreateChange(changes, ObjectRemoved, label, l[label].GetValueNode(), nil,
-            breakingRemove, left, nil)
-    }
-    if CheckSpecificObjectAdded(l, r, label) {
-        right = r[label].GetValue()
-        CreateChange(changes, ObjectAdded, label, nil, r[label].GetValueNode(),
-            breakingAdd, nil, right)
-    }
+	breakingAdd, breakingRemove bool) {
+	var left, right T
+	if CheckSpecificObjectRemoved(l, r, label) {
+		left = l[label].GetValue()
+		CreateChange(changes, ObjectRemoved, label, l[label].GetValueNode(), nil,
+			breakingRemove, left, nil)
+	}
+	if CheckSpecificObjectAdded(l, r, label) {
+		right = r[label].GetValue()
+		CreateChange(changes, ObjectAdded, label, nil, r[label].GetValueNode(),
+			breakingAdd, nil, right)
+	}
 }
 
 // CheckSpecificObjectRemoved returns true if a specific value is not in both maps.
 func CheckSpecificObjectRemoved[T any](l, r map[string]*T, label string) bool {
-    return l[label] != nil && r[label] == nil
+	return l[label] != nil && r[label] == nil
 }
 
 // CheckSpecificObjectAdded returns true if a specific value is not in both maps.
 func CheckSpecificObjectAdded[T any](l, r map[string]*T, label string) bool {
-    return l[label] == nil && r[label] != nil
+	return l[label] == nil && r[label] != nil
 }
 
 // CheckProperties will iterate through a slice of PropertyCheck pointers of type T. The method is a convenience method
 // for running checks on the following methods in order:
-//   CheckPropertyAdditionOrRemoval
-//   CheckForModification
+//
+//	CheckPropertyAdditionOrRemoval
+//	CheckForModification
 func CheckProperties(properties []*PropertyCheck) {
 
-    // todo: make this async to really speed things up.
-    for _, n := range properties {
-        CheckPropertyAdditionOrRemoval(n.LeftNode, n.RightNode, n.Label, n.Changes, n.Breaking, n.Original, n.New)
-        CheckForModification(n.LeftNode, n.RightNode, n.Label, n.Changes, n.Breaking, n.Original, n.New)
-    }
+	// todo: make this async to really speed things up.
+	for _, n := range properties {
+		CheckPropertyAdditionOrRemoval(n.LeftNode, n.RightNode, n.Label, n.Changes, n.Breaking, n.Original, n.New)
+		CheckForModification(n.LeftNode, n.RightNode, n.Label, n.Changes, n.Breaking, n.Original, n.New)
+	}
 }
 
 // CheckPropertyAdditionOrRemoval will run both CheckForRemoval (first) and CheckForAddition (second)
 func CheckPropertyAdditionOrRemoval[T any](l, r *yaml.Node,
-    label string, changes *[]*Change, breaking bool, orig, new T) {
-    CheckForRemoval[T](l, r, label, changes, breaking, orig, new)
-    CheckForAddition[T](l, r, label, changes, breaking, orig, new)
+	label string, changes *[]*Change, breaking bool, orig, new T) {
+	CheckForRemoval[T](l, r, label, changes, breaking, orig, new)
+	CheckForAddition[T](l, r, label, changes, breaking, orig, new)
 }
 
 // CheckForRemoval will check left and right yaml.Node instances for changes. Anything that is found missing on the
 // right, but present on the left, is considered a removal. A new Change[T] will be created with the type
 //
-//  PropertyRemoved
+//	PropertyRemoved
 //
 // The Change is then added to the slice of []Change[T] instances provided as a pointer.
 func CheckForRemoval[T any](l, r *yaml.Node, label string, changes *[]*Change, breaking bool, orig, new T) {
-    if l != nil && l.Value != "" && (r == nil || r.Value == "") {
-        CreateChange(changes, PropertyRemoved, label, l, r, breaking, orig, new)
-        return
-    }
-    if l != nil && r == nil {
-        CreateChange(changes, PropertyRemoved, label, l, nil, breaking, orig, nil)
-    }
+	if l != nil && l.Value != "" && (r == nil || r.Value == "") {
+		CreateChange(changes, PropertyRemoved, label, l, r, breaking, orig, new)
+		return
+	}
+	if l != nil && r == nil {
+		CreateChange(changes, PropertyRemoved, label, l, nil, breaking, orig, nil)
+	}
 }
 
 // CheckForAddition will check left and right yaml.Node instances for changes. Anything that is found missing on the
 // left, but present on the left, is considered an addition. A new Change[T] will be created with the type
 //
-//  PropertyAdded
+//	PropertyAdded
 //
 // The Change is then added to the slice of []Change[T] instances provided as a pointer.
 func CheckForAddition[T any](l, r *yaml.Node, label string, changes *[]*Change, breaking bool, orig, new T) {
-    if (l == nil || l.Value == "") && r != nil && r.Value != "" {
-        CreateChange(changes, PropertyAdded, label, l, r, breaking, orig, new)
-    }
+	if (l == nil || l.Value == "") && r != nil && r.Value != "" {
+		CreateChange(changes, PropertyAdded, label, l, r, breaking, orig, new)
+	}
 }
 
 // CheckForModification will check left and right yaml.Node instances for changes. Anything that is found in both
@@ -169,31 +171,31 @@ func CheckForAddition[T any](l, r *yaml.Node, label string, changes *[]*Change,
 //
 // The Change is then added to the slice of []Change[T] instances provided as a pointer.
 func CheckForModification[T any](l, r *yaml.Node, label string, changes *[]*Change, breaking bool, orig, new T) {
-    if l != nil && l.Value != "" && r != nil && r.Value != "" && r.Value != l.Value && r.Tag == l.Tag {
-        CreateChange(changes, Modified, label, l, r, breaking, orig, new)
-        return
-    }
-    // the values may have not changed, but the tag (node type) type may have
-    if l != nil && l.Value != "" && r != nil && r.Value != "" && r.Value != l.Value && r.Tag != l.Tag {
-        CreateChange(changes, Modified, label, l, r, breaking, orig, new)
-        return
-    }
+	if l != nil && l.Value != "" && r != nil && r.Value != "" && r.Value != l.Value && r.Tag == l.Tag {
+		CreateChange(changes, Modified, label, l, r, breaking, orig, new)
+		return
+	}
+	// the values may have not changed, but the tag (node type) type may have
+	if l != nil && l.Value != "" && r != nil && r.Value != "" && r.Value != l.Value && r.Tag != l.Tag {
+		CreateChange(changes, Modified, label, l, r, breaking, orig, new)
+		return
+	}
 }
 
 // CheckMapForChanges checks a left and right low level map for any additions, subtractions or modifications to
 // values. The compareFunc argument should reference the correct comparison function for the generic type.
 func CheckMapForChanges[T any, R any](expLeft, expRight map[low.KeyReference[string]]low.ValueReference[T],
-    changes *[]*Change, label string, compareFunc func(l, r T) R) map[string]R {
-    return CheckMapForChangesWithComp(expLeft, expRight, changes, label, compareFunc, true)
+	changes *[]*Change, label string, compareFunc func(l, r T) R) map[string]R {
+	return CheckMapForChangesWithComp(expLeft, expRight, changes, label, compareFunc, true)
 }
 
 func CheckMapForAdditionRemoval[T any](expLeft, expRight map[low.KeyReference[string]]low.ValueReference[T],
-    changes *[]*Change, label string) any {
-    // do nothing
-    doNothing := func(l, r T) any {
-        return nil
-    }
-    return CheckMapForChangesWithComp(expLeft, expRight, changes, label, doNothing, false)
+	changes *[]*Change, label string) any {
+	// do nothing
+	doNothing := func(l, r T) any {
+		return nil
+	}
+	return CheckMapForChangesWithComp(expLeft, expRight, changes, label, doNothing, false)
 }
 
 //// CheckMapForAdditionRemoval checks a left and right low level map for any additions or subtractions, but not modifications
@@ -211,168 +213,168 @@ func CheckMapForAdditionRemoval[T any](expLeft, expRight map[low.KeyReference[st
 // values. The compareFunc argument should reference the correct comparison function for the generic type. The compare
 // bit determines if the comparison should be run or not.
 func CheckMapForChangesWithComp[T any, R any](expLeft, expRight map[low.KeyReference[string]]low.ValueReference[T],
-    changes *[]*Change, label string, compareFunc func(l, r T) R, compare bool) map[string]R {
+	changes *[]*Change, label string, compareFunc func(l, r T) R, compare bool) map[string]R {
 
-    // stop concurrent threads screwing up changes.
-    var chLock sync.Mutex
+	// stop concurrent threads screwing up changes.
+	var chLock sync.Mutex
 
-    lHashes := make(map[string]string)
-    rHashes := make(map[string]string)
-    lValues := make(map[string]low.ValueReference[T])
-    rValues := make(map[string]low.ValueReference[T])
+	lHashes := make(map[string]string)
+	rHashes := make(map[string]string)
+	lValues := make(map[string]low.ValueReference[T])
+	rValues := make(map[string]low.ValueReference[T])
 
-    for k := range expLeft {
-        lHashes[k.Value] = low.GenerateHashString(expLeft[k].Value)
-        lValues[k.Value] = expLeft[k]
-    }
+	for k := range expLeft {
+		lHashes[k.Value] = low.GenerateHashString(expLeft[k].Value)
+		lValues[k.Value] = expLeft[k]
+	}
 
-    for k := range expRight {
-        rHashes[k.Value] = low.GenerateHashString(expRight[k].Value)
-        rValues[k.Value] = expRight[k]
-    }
+	for k := range expRight {
+		rHashes[k.Value] = low.GenerateHashString(expRight[k].Value)
+		rValues[k.Value] = expRight[k]
+	}
 
-    expChanges := make(map[string]R)
+	expChanges := make(map[string]R)
 
-    checkLeft := func(k string, doneChan chan bool, f, g map[string]string, p, h map[string]low.ValueReference[T]) {
-        rhash := g[k]
-        if rhash == "" {
-            if p[k].GetValueNode().Value == "" {
-                p[k].GetValueNode().Value = k
-            }
-            chLock.Lock()
-            CreateChange(changes, ObjectRemoved, label,
-                p[k].GetValueNode(), nil, true,
-                p[k].GetValue(), nil)
-            chLock.Unlock()
-            doneChan <- true
-            return
-        }
-        if f[k] == g[k] {
-            doneChan <- true
-            return
-        }
-        // run comparison.
-        if compare {
-            chLock.Lock()
-            expChanges[k] = compareFunc(p[k].Value, h[k].Value)
-            chLock.Unlock()
-        }
-        doneChan <- true
-    }
+	checkLeft := func(k string, doneChan chan bool, f, g map[string]string, p, h map[string]low.ValueReference[T]) {
+		rhash := g[k]
+		if rhash == "" {
+			if p[k].GetValueNode().Value == "" {
+				p[k].GetValueNode().Value = k
+			}
+			chLock.Lock()
+			CreateChange(changes, ObjectRemoved, label,
+				p[k].GetValueNode(), nil, true,
+				p[k].GetValue(), nil)
+			chLock.Unlock()
+			doneChan <- true
+			return
+		}
+		if f[k] == g[k] {
+			doneChan <- true
+			return
+		}
+		// run comparison.
+		if compare {
+			chLock.Lock()
+			expChanges[k] = compareFunc(p[k].Value, h[k].Value)
+			chLock.Unlock()
+		}
+		doneChan <- true
+	}
 
-    doneChan := make(chan bool)
-    count := 0
+	doneChan := make(chan bool)
+	count := 0
 
-    // check left example hashes
-    for k := range lHashes {
-        count++
-        go checkLeft(k, doneChan, lHashes, rHashes, lValues, rValues)
-    }
+	// check left example hashes
+	for k := range lHashes {
+		count++
+		go checkLeft(k, doneChan, lHashes, rHashes, lValues, rValues)
+	}
 
-    //check right example hashes
-    for k := range rHashes {
-        count++
-        go checkRightValue(k, doneChan, lHashes, rValues, changes, label, &chLock)
-    }
+	//check right example hashes
+	for k := range rHashes {
+		count++
+		go checkRightValue(k, doneChan, lHashes, rValues, changes, label, &chLock)
+	}
 
-    // wait for all done signals.
-    completed := 0
-    for completed < count {
-        select {
-        case <-doneChan:
-            completed++
-        }
-    }
-    return expChanges
+	// wait for all done signals.
+	completed := 0
+	for completed < count {
+		select {
+		case <-doneChan:
+			completed++
+		}
+	}
+	return expChanges
 }
 
 func checkRightValue[T any](k string, doneChan chan bool, f map[string]string, p map[string]low.ValueReference[T],
-    changes *[]*Change, label string, lock *sync.Mutex) {
+	changes *[]*Change, label string, lock *sync.Mutex) {
 
-    lhash := f[k]
-    if lhash == "" {
-        if p[k].GetValueNode().Value == "" {
-            p[k].GetValueNode().Value = k // this is kinda dirty, but I don't want to duplicate code so sue me.
-        }
-        lock.Lock()
-        CreateChange(changes, ObjectAdded, label,
-            nil, p[k].GetValueNode(), false,
-            nil, p[k].GetValue())
-        lock.Unlock()
-    }
-    doneChan <- true
+	lhash := f[k]
+	if lhash == "" {
+		if p[k].GetValueNode().Value == "" {
+			p[k].GetValueNode().Value = k // this is kinda dirty, but I don't want to duplicate code so sue me.
+		}
+		lock.Lock()
+		CreateChange(changes, ObjectAdded, label,
+			nil, p[k].GetValueNode(), false,
+			nil, p[k].GetValue())
+		lock.Unlock()
+	}
+	doneChan <- true
 }
 
 // ExtractStringValueSliceChanges will compare two low level string slices for changes.
 func ExtractStringValueSliceChanges(lParam, rParam []low.ValueReference[string],
-    changes *[]*Change, label string, breaking bool) {
-    lKeys := make([]string, len(lParam))
-    rKeys := make([]string, len(rParam))
-    lValues := make(map[string]low.ValueReference[string])
-    rValues := make(map[string]low.ValueReference[string])
-    for i := range lParam {
-        lKeys[i] = strings.ToLower(lParam[i].Value)
-        lValues[lKeys[i]] = lParam[i]
-    }
-    for i := range rParam {
-        rKeys[i] = strings.ToLower(rParam[i].Value)
-        rValues[rKeys[i]] = rParam[i]
-    }
-    for i := range lValues {
-        if _, ok := rValues[i]; !ok {
-            CreateChange(changes, PropertyRemoved, label,
-                lValues[i].ValueNode,
-                nil,
-                breaking,
-                lValues[i].Value,
-                nil)
-        }
-    }
-    for i := range rValues {
-        if _, ok := lValues[i]; !ok {
-            CreateChange(changes, PropertyAdded, label,
-                nil,
-                rValues[i].ValueNode,
-                false,
-                nil,
-                rValues[i].Value)
-        }
-    }
+	changes *[]*Change, label string, breaking bool) {
+	lKeys := make([]string, len(lParam))
+	rKeys := make([]string, len(rParam))
+	lValues := make(map[string]low.ValueReference[string])
+	rValues := make(map[string]low.ValueReference[string])
+	for i := range lParam {
+		lKeys[i] = strings.ToLower(lParam[i].Value)
+		lValues[lKeys[i]] = lParam[i]
+	}
+	for i := range rParam {
+		rKeys[i] = strings.ToLower(rParam[i].Value)
+		rValues[rKeys[i]] = rParam[i]
+	}
+	for i := range lValues {
+		if _, ok := rValues[i]; !ok {
+			CreateChange(changes, PropertyRemoved, label,
+				lValues[i].ValueNode,
+				nil,
+				breaking,
+				lValues[i].Value,
+				nil)
+		}
+	}
+	for i := range rValues {
+		if _, ok := lValues[i]; !ok {
+			CreateChange(changes, PropertyAdded, label,
+				nil,
+				rValues[i].ValueNode,
+				false,
+				nil,
+				rValues[i].Value)
+		}
+	}
 }
 
 // ExtractRawValueSliceChanges will compare two low level interface{} slices for changes.
 func ExtractRawValueSliceChanges(lParam, rParam []low.ValueReference[any],
-    changes *[]*Change, label string, breaking bool) {
-    lKeys := make([]string, len(lParam))
-    rKeys := make([]string, len(rParam))
-    lValues := make(map[string]low.ValueReference[any])
-    rValues := make(map[string]low.ValueReference[any])
-    for i := range lParam {
-        lKeys[i] = strings.ToLower(fmt.Sprint(lParam[i].Value))
-        lValues[lKeys[i]] = lParam[i]
-    }
-    for i := range rParam {
-        rKeys[i] = strings.ToLower(fmt.Sprint(rParam[i].Value))
-        rValues[rKeys[i]] = rParam[i]
-    }
-    for i := range lValues {
-        if _, ok := rValues[i]; !ok {
-            CreateChange(changes, PropertyRemoved, label,
-                lValues[i].ValueNode,
-                nil,
-                breaking,
-                lValues[i].Value,
-                nil)
-        }
-    }
-    for i := range rValues {
-        if _, ok := lValues[i]; !ok {
-            CreateChange(changes, PropertyAdded, label,
-                nil,
-                rValues[i].ValueNode,
-                false,
-                nil,
-                rValues[i].Value)
-        }
-    }
+	changes *[]*Change, label string, breaking bool) {
+	lKeys := make([]string, len(lParam))
+	rKeys := make([]string, len(rParam))
+	lValues := make(map[string]low.ValueReference[any])
+	rValues := make(map[string]low.ValueReference[any])
+	for i := range lParam {
+		lKeys[i] = strings.ToLower(fmt.Sprint(lParam[i].Value))
+		lValues[lKeys[i]] = lParam[i]
+	}
+	for i := range rParam {
+		rKeys[i] = strings.ToLower(fmt.Sprint(rParam[i].Value))
+		rValues[rKeys[i]] = rParam[i]
+	}
+	for i := range lValues {
+		if _, ok := rValues[i]; !ok {
+			CreateChange(changes, PropertyRemoved, label,
+				lValues[i].ValueNode,
+				nil,
+				breaking,
+				lValues[i].Value,
+				nil)
+		}
+	}
+	for i := range rValues {
+		if _, ok := lValues[i]; !ok {
+			CreateChange(changes, PropertyAdded, label,
+				nil,
+				rValues[i].ValueNode,
+				false,
+				nil,
+				rValues[i].Value)
+		}
+	}
 }
diff --git a/what-changed/model/example.go b/what-changed/model/example.go
index 478d4a7..42ec85e 100644
--- a/what-changed/model/example.go
+++ b/what-changed/model/example.go
@@ -4,179 +4,181 @@
 package model
 
 import (
-    "fmt"
-    "github.com/pb33f/libopenapi/datamodel/low/base"
-    v3 "github.com/pb33f/libopenapi/datamodel/low/v3"
-    "github.com/pb33f/libopenapi/utils"
-    "gopkg.in/yaml.v3"
-    "sort"
+	"fmt"
+	"sort"
+
+	"gopkg.in/yaml.v3"
+
+	"github.com/pb33f/libopenapi/datamodel/low/base"
+	v3 "github.com/pb33f/libopenapi/datamodel/low/v3"
+	"github.com/pb33f/libopenapi/utils"
 )
 
 // ExampleChanges represent changes to an Example object, part of an OpenAPI specification.
 type ExampleChanges struct {
-    *PropertyChanges
-    ExtensionChanges *ExtensionChanges `json:"extensions,omitempty" yaml:"extensions,omitempty"`
+	*PropertyChanges
+	ExtensionChanges *ExtensionChanges `json:"extensions,omitempty" yaml:"extensions,omitempty"`
 }
 
 // TotalChanges returns the total number of changes made to Example
 func (e *ExampleChanges) TotalChanges() int {
-    l := e.PropertyChanges.TotalChanges()
-    if e.ExtensionChanges != nil {
-        l += e.ExtensionChanges.PropertyChanges.TotalChanges()
-    }
-    return l
+	l := e.PropertyChanges.TotalChanges()
+	if e.ExtensionChanges != nil {
+		l += e.ExtensionChanges.PropertyChanges.TotalChanges()
+	}
+	return l
 }
 
 // TotalBreakingChanges returns the total number of breaking changes made to Example
 func (e *ExampleChanges) TotalBreakingChanges() int {
-    l := e.PropertyChanges.TotalBreakingChanges()
-    return l
+	l := e.PropertyChanges.TotalBreakingChanges()
+	return l
 }
 
 // CompareExamples returns a pointer to ExampleChanges that contains all changes made between
 // left and right Example instances.
 func CompareExamples(l, r *base.Example) *ExampleChanges {
 
-    ec := new(ExampleChanges)
-    var changes []*Change
-    var props []*PropertyCheck
+	ec := new(ExampleChanges)
+	var changes []*Change
+	var props []*PropertyCheck
 
-    // Summary
-    props = append(props, &PropertyCheck{
-        LeftNode:  l.Summary.ValueNode,
-        RightNode: r.Summary.ValueNode,
-        Label:     v3.SummaryLabel,
-        Changes:   &changes,
-        Breaking:  false,
-        Original:  l,
-        New:       r,
-    })
+	// Summary
+	props = append(props, &PropertyCheck{
+		LeftNode:  l.Summary.ValueNode,
+		RightNode: r.Summary.ValueNode,
+		Label:     v3.SummaryLabel,
+		Changes:   &changes,
+		Breaking:  false,
+		Original:  l,
+		New:       r,
+	})
 
-    // Description
-    props = append(props, &PropertyCheck{
-        LeftNode:  l.Description.ValueNode,
-        RightNode: r.Description.ValueNode,
-        Label:     v3.DescriptionLabel,
-        Changes:   &changes,
-        Breaking:  false,
-        Original:  l,
-        New:       r,
-    })
+	// Description
+	props = append(props, &PropertyCheck{
+		LeftNode:  l.Description.ValueNode,
+		RightNode: r.Description.ValueNode,
+		Label:     v3.DescriptionLabel,
+		Changes:   &changes,
+		Breaking:  false,
+		Original:  l,
+		New:       r,
+	})
 
-    // Value
-    if utils.IsNodeMap(l.Value.ValueNode) && utils.IsNodeMap(r.Value.ValueNode) {
-        lKeys := make([]string, len(l.Value.ValueNode.Content)/2)
-        rKeys := make([]string, len(r.Value.ValueNode.Content)/2)
-        z := 0
-        for k := range l.Value.ValueNode.Content {
-            if k%2 == 0 {
-                lKeys[z] = fmt.Sprintf("%v-%v", l.Value.ValueNode.Content[k].Value, l.Value.ValueNode.Content[k+1].Value)
-                z++
-            } else {
-                continue
-            }
-        }
-        z = 0
-        for k := range r.Value.ValueNode.Content {
-            if k%2 == 0 {
-                rKeys[z] = fmt.Sprintf("%v-%v", r.Value.ValueNode.Content[k].Value, r.Value.ValueNode.Content[k+1].Value)
-                z++
-            } else {
-                continue
-            }
-        }
-        sort.Strings(lKeys)
-        sort.Strings(rKeys)
-        //if (len(lKeys) > len(rKeys)) || (len(rKeys) > len(lKeys)) {
-        //    CreateChange(&changes, Modified, v3.ValueLabel,
-        //        l.Value.GetValueNode(), r.Value.GetValueNode(), false, l.Value.GetValue(), r.Value.GetValue())
-        //}
-        for k := range lKeys {
-            if k < len(rKeys) && lKeys[k] != rKeys[k] {
+	// Value
+	if utils.IsNodeMap(l.Value.ValueNode) && utils.IsNodeMap(r.Value.ValueNode) {
+		lKeys := make([]string, len(l.Value.ValueNode.Content)/2)
+		rKeys := make([]string, len(r.Value.ValueNode.Content)/2)
+		z := 0
+		for k := range l.Value.ValueNode.Content {
+			if k%2 == 0 {
+				lKeys[z] = fmt.Sprintf("%v-%v", l.Value.ValueNode.Content[k].Value, l.Value.ValueNode.Content[k+1].Value)
+				z++
+			} else {
+				continue
+			}
+		}
+		z = 0
+		for k := range r.Value.ValueNode.Content {
+			if k%2 == 0 {
+				rKeys[z] = fmt.Sprintf("%v-%v", r.Value.ValueNode.Content[k].Value, r.Value.ValueNode.Content[k+1].Value)
+				z++
+			} else {
+				continue
+			}
+		}
+		sort.Strings(lKeys)
+		sort.Strings(rKeys)
+		//if (len(lKeys) > len(rKeys)) || (len(rKeys) > len(lKeys)) {
+		//    CreateChange(&changes, Modified, v3.ValueLabel,
+		//        l.Value.GetValueNode(), r.Value.GetValueNode(), false, l.Value.GetValue(), r.Value.GetValue())
+		//}
+		for k := range lKeys {
+			if k < len(rKeys) && lKeys[k] != rKeys[k] {
 
-                if utils.IsNodeMap(l.Value.ValueNode) || utils.IsNodeArray(l.Value.ValueNode) {
-                    // render down object
-                    rendered, _ := yaml.Marshal(l.Value.ValueNode)
-                    l.Value.ValueNode.Value = string(rendered)
-                }
+				if utils.IsNodeMap(l.Value.ValueNode) || utils.IsNodeArray(l.Value.ValueNode) {
+					// render down object
+					rendered, _ := yaml.Marshal(l.Value.ValueNode)
+					l.Value.ValueNode.Value = string(rendered)
+				}
 
-                if utils.IsNodeMap(r.Value.ValueNode) || utils.IsNodeArray(r.Value.ValueNode) {
-                    // render down object
-                    rendered, _ := yaml.Marshal(r.Value.ValueNode)
-                    r.Value.ValueNode.Value = string(rendered)
-                }
+				if utils.IsNodeMap(r.Value.ValueNode) || utils.IsNodeArray(r.Value.ValueNode) {
+					// render down object
+					rendered, _ := yaml.Marshal(r.Value.ValueNode)
+					r.Value.ValueNode.Value = string(rendered)
+				}
 
-                CreateChange(&changes, Modified, v3.ValueLabel,
-                    l.Value.GetValueNode(), r.Value.GetValueNode(), false, l.Value.GetValue(), r.Value.GetValue())
-                continue
-            }
-            if k >= len(rKeys) {
+				CreateChange(&changes, Modified, v3.ValueLabel,
+					l.Value.GetValueNode(), r.Value.GetValueNode(), false, l.Value.GetValue(), r.Value.GetValue())
+				continue
+			}
+			if k >= len(rKeys) {
 
-                if utils.IsNodeMap(l.Value.ValueNode) || utils.IsNodeArray(l.Value.ValueNode) {
-                    // render down object
-                    rendered, _ := yaml.Marshal(l.Value.ValueNode)
-                    l.Value.ValueNode.Value = string(rendered)
-                }
+				if utils.IsNodeMap(l.Value.ValueNode) || utils.IsNodeArray(l.Value.ValueNode) {
+					// render down object
+					rendered, _ := yaml.Marshal(l.Value.ValueNode)
+					l.Value.ValueNode.Value = string(rendered)
+				}
 
-                if utils.IsNodeMap(r.Value.ValueNode) || utils.IsNodeArray(r.Value.ValueNode) {
-                    // render down object
-                    rendered, _ := yaml.Marshal(r.Value.ValueNode)
-                    r.Value.ValueNode.Value = string(rendered)
-                }
+				if utils.IsNodeMap(r.Value.ValueNode) || utils.IsNodeArray(r.Value.ValueNode) {
+					// render down object
+					rendered, _ := yaml.Marshal(r.Value.ValueNode)
+					r.Value.ValueNode.Value = string(rendered)
+				}
 
-                CreateChange(&changes, PropertyRemoved, v3.ValueLabel,
-                    l.Value.ValueNode, r.Value.ValueNode, false, l.Value.Value, r.Value.Value)
-            }
-        }
-        for k := range rKeys {
-            if k >= len(lKeys) {
+				CreateChange(&changes, PropertyRemoved, v3.ValueLabel,
+					l.Value.ValueNode, r.Value.ValueNode, false, l.Value.Value, r.Value.Value)
+			}
+		}
+		for k := range rKeys {
+			if k >= len(lKeys) {
 
-                if utils.IsNodeMap(l.Value.ValueNode) || utils.IsNodeArray(l.Value.ValueNode) {
-                    // render down object
-                    rendered, _ := yaml.Marshal(l.Value.ValueNode)
-                    l.Value.ValueNode.Value = string(rendered)
-                }
+				if utils.IsNodeMap(l.Value.ValueNode) || utils.IsNodeArray(l.Value.ValueNode) {
+					// render down object
+					rendered, _ := yaml.Marshal(l.Value.ValueNode)
+					l.Value.ValueNode.Value = string(rendered)
+				}
 
-                if utils.IsNodeMap(r.Value.ValueNode) || utils.IsNodeArray(r.Value.ValueNode) {
-                    // render down object
-                    rendered, _ := yaml.Marshal(r.Value.ValueNode)
-                    r.Value.ValueNode.Value = string(rendered)
-                }
+				if utils.IsNodeMap(r.Value.ValueNode) || utils.IsNodeArray(r.Value.ValueNode) {
+					// render down object
+					rendered, _ := yaml.Marshal(r.Value.ValueNode)
+					r.Value.ValueNode.Value = string(rendered)
+				}
 
-                CreateChange(&changes, PropertyAdded, v3.ValueLabel,
-                    l.Value.ValueNode, r.Value.ValueNode, false, l.Value.Value, r.Value.Value)
-            }
-        }
-    } else {
-        props = append(props, &PropertyCheck{
-            LeftNode:  l.Value.ValueNode,
-            RightNode: r.Value.ValueNode,
-            Label:     v3.ValueLabel,
-            Changes:   &changes,
-            Breaking:  false,
-            Original:  l,
-            New:       r,
-        })
-    }
-    // ExternalValue
-    props = append(props, &PropertyCheck{
-        LeftNode:  l.ExternalValue.ValueNode,
-        RightNode: r.ExternalValue.ValueNode,
-        Label:     v3.ExternalValue,
-        Changes:   &changes,
-        Breaking:  false,
-        Original:  l,
-        New:       r,
-    })
+				CreateChange(&changes, PropertyAdded, v3.ValueLabel,
+					l.Value.ValueNode, r.Value.ValueNode, false, l.Value.Value, r.Value.Value)
+			}
+		}
+	} else {
+		props = append(props, &PropertyCheck{
+			LeftNode:  l.Value.ValueNode,
+			RightNode: r.Value.ValueNode,
+			Label:     v3.ValueLabel,
+			Changes:   &changes,
+			Breaking:  false,
+			Original:  l,
+			New:       r,
+		})
+	}
+	// ExternalValue
+	props = append(props, &PropertyCheck{
+		LeftNode:  l.ExternalValue.ValueNode,
+		RightNode: r.ExternalValue.ValueNode,
+		Label:     v3.ExternalValue,
+		Changes:   &changes,
+		Breaking:  false,
+		Original:  l,
+		New:       r,
+	})
 
-    // check properties
-    CheckProperties(props)
+	// check properties
+	CheckProperties(props)
 
-    // check extensions
-    ec.ExtensionChanges = CheckExtensions(l, r)
-    ec.PropertyChanges = NewPropertyChanges(changes)
-    if ec.TotalChanges() <= 0 {
-        return nil
-    }
-    return ec
+	// check extensions
+	ec.ExtensionChanges = CheckExtensions(l, r)
+	ec.PropertyChanges = NewPropertyChanges(changes)
+	if ec.TotalChanges() <= 0 {
+		return nil
+	}
+	return ec
 }