diff --git a/services/serverbackup/model_backup.go b/services/serverbackup/model_backup.go
index ee125d41a..624cc9320 100644
--- a/services/serverbackup/model_backup.go
+++ b/services/serverbackup/model_backup.go
@@ -60,7 +60,7 @@ func NewBackupWithDefaults() *Backup {
 
 // GetCreatedAt returns the CreatedAt field value
 func (o *Backup) GetCreatedAt() *string {
-	if o == nil {
+	if o == nil || IsNil(o.CreatedAt) {
 		var ret *string
 		return ret
 	}
@@ -84,7 +84,7 @@ func (o *Backup) SetCreatedAt(v *string) {
 
 // GetExpireAt returns the ExpireAt field value
 func (o *Backup) GetExpireAt() *string {
-	if o == nil {
+	if o == nil || IsNil(o.ExpireAt) {
 		var ret *string
 		return ret
 	}
@@ -108,7 +108,7 @@ func (o *Backup) SetExpireAt(v *string) {
 
 // GetId returns the Id field value
 func (o *Backup) GetId() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Id) {
 		var ret *string
 		return ret
 	}
@@ -150,7 +150,7 @@ func (o *Backup) GetLastRestoredAtOk() (*string, bool) {
 
 // HasLastRestoredAt returns a boolean if a field has been set.
 func (o *Backup) HasLastRestoredAt() bool {
-	if o != nil && !IsNil(o.LastRestoredAt) {
+	if o != nil && !IsNil(o.LastRestoredAt) && !IsNil(o.LastRestoredAt) {
 		return true
 	}
 
@@ -164,7 +164,7 @@ func (o *Backup) SetLastRestoredAt(v *string) {
 
 // GetName returns the Name field value
 func (o *Backup) GetName() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Name) {
 		var ret *string
 		return ret
 	}
@@ -206,7 +206,7 @@ func (o *Backup) GetSizeOk() (*int64, bool) {
 
 // HasSize returns a boolean if a field has been set.
 func (o *Backup) HasSize() bool {
-	if o != nil && !IsNil(o.Size) {
+	if o != nil && !IsNil(o.Size) && !IsNil(o.Size) {
 		return true
 	}
 
@@ -220,7 +220,7 @@ func (o *Backup) SetSize(v *int64) {
 
 // GetStatus returns the Status field value
 func (o *Backup) GetStatus() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Status) {
 		var ret *string
 		return ret
 	}
@@ -262,7 +262,7 @@ func (o *Backup) GetVolumeBackupsOk() (*[]BackupVolumeBackupsInner, bool) {
 
 // HasVolumeBackups returns a boolean if a field has been set.
 func (o *Backup) HasVolumeBackups() bool {
-	if o != nil && !IsNil(o.VolumeBackups) {
+	if o != nil && !IsNil(o.VolumeBackups) && !IsNil(o.VolumeBackups) {
 		return true
 	}
 
diff --git a/services/serverbackup/model_backup_job.go b/services/serverbackup/model_backup_job.go
index e23e4ae1c..280d4e623 100644
--- a/services/serverbackup/model_backup_job.go
+++ b/services/serverbackup/model_backup_job.go
@@ -45,7 +45,7 @@ func NewBackupJobWithDefaults() *BackupJob {
 
 // GetId returns the Id field value
 func (o *BackupJob) GetId() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Id) {
 		var ret *string
 		return ret
 	}
diff --git a/services/serverbackup/model_backup_policy.go b/services/serverbackup/model_backup_policy.go
index 3b02ecc45..51f2b659d 100644
--- a/services/serverbackup/model_backup_policy.go
+++ b/services/serverbackup/model_backup_policy.go
@@ -65,7 +65,7 @@ func (o *BackupPolicy) GetBackupPropertiesOk() (*BackupPolicyBackupProperties, b
 
 // HasBackupProperties returns a boolean if a field has been set.
 func (o *BackupPolicy) HasBackupProperties() bool {
-	if o != nil && !IsNil(o.BackupProperties) {
+	if o != nil && !IsNil(o.BackupProperties) && !IsNil(o.BackupProperties) {
 		return true
 	}
 
@@ -97,7 +97,7 @@ func (o *BackupPolicy) GetDefaultOk() (*bool, bool) {
 
 // HasDefault returns a boolean if a field has been set.
 func (o *BackupPolicy) HasDefault() bool {
-	if o != nil && !IsNil(o.Default) {
+	if o != nil && !IsNil(o.Default) && !IsNil(o.Default) {
 		return true
 	}
 
@@ -129,7 +129,7 @@ func (o *BackupPolicy) GetDescriptionOk() (*string, bool) {
 
 // HasDescription returns a boolean if a field has been set.
 func (o *BackupPolicy) HasDescription() bool {
-	if o != nil && !IsNil(o.Description) {
+	if o != nil && !IsNil(o.Description) && !IsNil(o.Description) {
 		return true
 	}
 
@@ -161,7 +161,7 @@ func (o *BackupPolicy) GetEnabledOk() (*bool, bool) {
 
 // HasEnabled returns a boolean if a field has been set.
 func (o *BackupPolicy) HasEnabled() bool {
-	if o != nil && !IsNil(o.Enabled) {
+	if o != nil && !IsNil(o.Enabled) && !IsNil(o.Enabled) {
 		return true
 	}
 
@@ -193,7 +193,7 @@ func (o *BackupPolicy) GetIdOk() (*string, bool) {
 
 // HasId returns a boolean if a field has been set.
 func (o *BackupPolicy) HasId() bool {
-	if o != nil && !IsNil(o.Id) {
+	if o != nil && !IsNil(o.Id) && !IsNil(o.Id) {
 		return true
 	}
 
@@ -225,7 +225,7 @@ func (o *BackupPolicy) GetNameOk() (*string, bool) {
 
 // HasName returns a boolean if a field has been set.
 func (o *BackupPolicy) HasName() bool {
-	if o != nil && !IsNil(o.Name) {
+	if o != nil && !IsNil(o.Name) && !IsNil(o.Name) {
 		return true
 	}
 
@@ -257,7 +257,7 @@ func (o *BackupPolicy) GetRruleOk() (*string, bool) {
 
 // HasRrule returns a boolean if a field has been set.
 func (o *BackupPolicy) HasRrule() bool {
-	if o != nil && !IsNil(o.Rrule) {
+	if o != nil && !IsNil(o.Rrule) && !IsNil(o.Rrule) {
 		return true
 	}
 
diff --git a/services/serverbackup/model_backup_policy_backup_properties.go b/services/serverbackup/model_backup_policy_backup_properties.go
index 74cdddddd..12755db4e 100644
--- a/services/serverbackup/model_backup_policy_backup_properties.go
+++ b/services/serverbackup/model_backup_policy_backup_properties.go
@@ -60,7 +60,7 @@ func (o *BackupPolicyBackupProperties) GetNameOk() (*string, bool) {
 
 // HasName returns a boolean if a field has been set.
 func (o *BackupPolicyBackupProperties) HasName() bool {
-	if o != nil && !IsNil(o.Name) {
+	if o != nil && !IsNil(o.Name) && !IsNil(o.Name) {
 		return true
 	}
 
@@ -92,7 +92,7 @@ func (o *BackupPolicyBackupProperties) GetRetentionPeriodOk() (*int64, bool) {
 
 // HasRetentionPeriod returns a boolean if a field has been set.
 func (o *BackupPolicyBackupProperties) HasRetentionPeriod() bool {
-	if o != nil && !IsNil(o.RetentionPeriod) {
+	if o != nil && !IsNil(o.RetentionPeriod) && !IsNil(o.RetentionPeriod) {
 		return true
 	}
 
diff --git a/services/serverbackup/model_backup_properties.go b/services/serverbackup/model_backup_properties.go
index 4a50b90f1..5fee639fa 100644
--- a/services/serverbackup/model_backup_properties.go
+++ b/services/serverbackup/model_backup_properties.go
@@ -51,7 +51,7 @@ func NewBackupPropertiesWithDefaults() *BackupProperties {
 
 // GetName returns the Name field value
 func (o *BackupProperties) GetName() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Name) {
 		var ret *string
 		return ret
 	}
@@ -75,7 +75,7 @@ func (o *BackupProperties) SetName(v *string) {
 
 // GetRetentionPeriod returns the RetentionPeriod field value
 func (o *BackupProperties) GetRetentionPeriod() *int64 {
-	if o == nil {
+	if o == nil || IsNil(o.RetentionPeriod) {
 		var ret *int64
 		return ret
 	}
@@ -117,7 +117,7 @@ func (o *BackupProperties) GetVolumeIdsOk() (*[]string, bool) {
 
 // HasVolumeIds returns a boolean if a field has been set.
 func (o *BackupProperties) HasVolumeIds() bool {
-	if o != nil && !IsNil(o.VolumeIds) {
+	if o != nil && !IsNil(o.VolumeIds) && !IsNil(o.VolumeIds) {
 		return true
 	}
 
diff --git a/services/serverbackup/model_backup_schedule.go b/services/serverbackup/model_backup_schedule.go
index f4e9c11a8..5d9610a77 100644
--- a/services/serverbackup/model_backup_schedule.go
+++ b/services/serverbackup/model_backup_schedule.go
@@ -73,7 +73,7 @@ func (o *BackupSchedule) GetBackupPropertiesOk() (*BackupProperties, bool) {
 
 // HasBackupProperties returns a boolean if a field has been set.
 func (o *BackupSchedule) HasBackupProperties() bool {
-	if o != nil && !IsNil(o.BackupProperties) {
+	if o != nil && !IsNil(o.BackupProperties) && !IsNil(o.BackupProperties) {
 		return true
 	}
 
@@ -87,7 +87,7 @@ func (o *BackupSchedule) SetBackupProperties(v *BackupProperties) {
 
 // GetEnabled returns the Enabled field value
 func (o *BackupSchedule) GetEnabled() *bool {
-	if o == nil {
+	if o == nil || IsNil(o.Enabled) {
 		var ret *bool
 		return ret
 	}
@@ -111,7 +111,7 @@ func (o *BackupSchedule) SetEnabled(v *bool) {
 
 // GetId returns the Id field value
 func (o *BackupSchedule) GetId() *int64 {
-	if o == nil {
+	if o == nil || IsNil(o.Id) {
 		var ret *int64
 		return ret
 	}
@@ -135,7 +135,7 @@ func (o *BackupSchedule) SetId(v *int64) {
 
 // GetName returns the Name field value
 func (o *BackupSchedule) GetName() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Name) {
 		var ret *string
 		return ret
 	}
@@ -159,7 +159,7 @@ func (o *BackupSchedule) SetName(v *string) {
 
 // GetRrule returns the Rrule field value
 func (o *BackupSchedule) GetRrule() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Rrule) {
 		var ret *string
 		return ret
 	}
diff --git a/services/serverbackup/model_backup_volume_backups_inner.go b/services/serverbackup/model_backup_volume_backups_inner.go
index 234dd6dab..92b7f909c 100644
--- a/services/serverbackup/model_backup_volume_backups_inner.go
+++ b/services/serverbackup/model_backup_volume_backups_inner.go
@@ -64,7 +64,7 @@ func (o *BackupVolumeBackupsInner) GetIdOk() (*string, bool) {
 
 // HasId returns a boolean if a field has been set.
 func (o *BackupVolumeBackupsInner) HasId() bool {
-	if o != nil && !IsNil(o.Id) {
+	if o != nil && !IsNil(o.Id) && !IsNil(o.Id) {
 		return true
 	}
 
@@ -96,7 +96,7 @@ func (o *BackupVolumeBackupsInner) GetLastRestoredAtOk() (*string, bool) {
 
 // HasLastRestoredAt returns a boolean if a field has been set.
 func (o *BackupVolumeBackupsInner) HasLastRestoredAt() bool {
-	if o != nil && !IsNil(o.LastRestoredAt) {
+	if o != nil && !IsNil(o.LastRestoredAt) && !IsNil(o.LastRestoredAt) {
 		return true
 	}
 
@@ -128,7 +128,7 @@ func (o *BackupVolumeBackupsInner) GetLastRestoredVolumeIdOk() (*string, bool) {
 
 // HasLastRestoredVolumeId returns a boolean if a field has been set.
 func (o *BackupVolumeBackupsInner) HasLastRestoredVolumeId() bool {
-	if o != nil && !IsNil(o.LastRestoredVolumeId) {
+	if o != nil && !IsNil(o.LastRestoredVolumeId) && !IsNil(o.LastRestoredVolumeId) {
 		return true
 	}
 
@@ -160,7 +160,7 @@ func (o *BackupVolumeBackupsInner) GetSizeOk() (*int64, bool) {
 
 // HasSize returns a boolean if a field has been set.
 func (o *BackupVolumeBackupsInner) HasSize() bool {
-	if o != nil && !IsNil(o.Size) {
+	if o != nil && !IsNil(o.Size) && !IsNil(o.Size) {
 		return true
 	}
 
@@ -192,7 +192,7 @@ func (o *BackupVolumeBackupsInner) GetStatusOk() (*string, bool) {
 
 // HasStatus returns a boolean if a field has been set.
 func (o *BackupVolumeBackupsInner) HasStatus() bool {
-	if o != nil && !IsNil(o.Status) {
+	if o != nil && !IsNil(o.Status) && !IsNil(o.Status) {
 		return true
 	}
 
@@ -224,7 +224,7 @@ func (o *BackupVolumeBackupsInner) GetVolumeIdOk() (*string, bool) {
 
 // HasVolumeId returns a boolean if a field has been set.
 func (o *BackupVolumeBackupsInner) HasVolumeId() bool {
-	if o != nil && !IsNil(o.VolumeId) {
+	if o != nil && !IsNil(o.VolumeId) && !IsNil(o.VolumeId) {
 		return true
 	}
 
diff --git a/services/serverbackup/model_create_backup_payload.go b/services/serverbackup/model_create_backup_payload.go
index 52fa38617..eb93c139e 100644
--- a/services/serverbackup/model_create_backup_payload.go
+++ b/services/serverbackup/model_create_backup_payload.go
@@ -51,7 +51,7 @@ func NewCreateBackupPayloadWithDefaults() *CreateBackupPayload {
 
 // GetName returns the Name field value
 func (o *CreateBackupPayload) GetName() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Name) {
 		var ret *string
 		return ret
 	}
@@ -75,7 +75,7 @@ func (o *CreateBackupPayload) SetName(v *string) {
 
 // GetRetentionPeriod returns the RetentionPeriod field value
 func (o *CreateBackupPayload) GetRetentionPeriod() *int64 {
-	if o == nil {
+	if o == nil || IsNil(o.RetentionPeriod) {
 		var ret *int64
 		return ret
 	}
@@ -117,7 +117,7 @@ func (o *CreateBackupPayload) GetVolumeIdsOk() (*[]string, bool) {
 
 // HasVolumeIds returns a boolean if a field has been set.
 func (o *CreateBackupPayload) HasVolumeIds() bool {
-	if o != nil && !IsNil(o.VolumeIds) {
+	if o != nil && !IsNil(o.VolumeIds) && !IsNil(o.VolumeIds) {
 		return true
 	}
 
diff --git a/services/serverbackup/model_create_backup_schedule_payload.go b/services/serverbackup/model_create_backup_schedule_payload.go
index b3ba8c140..cb437b386 100644
--- a/services/serverbackup/model_create_backup_schedule_payload.go
+++ b/services/serverbackup/model_create_backup_schedule_payload.go
@@ -71,7 +71,7 @@ func (o *CreateBackupSchedulePayload) GetBackupPropertiesOk() (*BackupProperties
 
 // HasBackupProperties returns a boolean if a field has been set.
 func (o *CreateBackupSchedulePayload) HasBackupProperties() bool {
-	if o != nil && !IsNil(o.BackupProperties) {
+	if o != nil && !IsNil(o.BackupProperties) && !IsNil(o.BackupProperties) {
 		return true
 	}
 
@@ -85,7 +85,7 @@ func (o *CreateBackupSchedulePayload) SetBackupProperties(v *BackupProperties) {
 
 // GetEnabled returns the Enabled field value
 func (o *CreateBackupSchedulePayload) GetEnabled() *bool {
-	if o == nil {
+	if o == nil || IsNil(o.Enabled) {
 		var ret *bool
 		return ret
 	}
@@ -109,7 +109,7 @@ func (o *CreateBackupSchedulePayload) SetEnabled(v *bool) {
 
 // GetName returns the Name field value
 func (o *CreateBackupSchedulePayload) GetName() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Name) {
 		var ret *string
 		return ret
 	}
@@ -133,7 +133,7 @@ func (o *CreateBackupSchedulePayload) SetName(v *string) {
 
 // GetRrule returns the Rrule field value
 func (o *CreateBackupSchedulePayload) GetRrule() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Rrule) {
 		var ret *string
 		return ret
 	}
diff --git a/services/serverbackup/model_enable_service_payload.go b/services/serverbackup/model_enable_service_payload.go
index 37440cf7f..d636ada22 100644
--- a/services/serverbackup/model_enable_service_payload.go
+++ b/services/serverbackup/model_enable_service_payload.go
@@ -59,7 +59,7 @@ func (o *EnableServicePayload) GetBackupPolicyIdOk() (*string, bool) {
 
 // HasBackupPolicyId returns a boolean if a field has been set.
 func (o *EnableServicePayload) HasBackupPolicyId() bool {
-	if o != nil && !IsNil(o.BackupPolicyId) {
+	if o != nil && !IsNil(o.BackupPolicyId) && !IsNil(o.BackupPolicyId) {
 		return true
 	}
 
diff --git a/services/serverbackup/model_enable_service_resource_payload.go b/services/serverbackup/model_enable_service_resource_payload.go
index c37a546fa..735a55de4 100644
--- a/services/serverbackup/model_enable_service_resource_payload.go
+++ b/services/serverbackup/model_enable_service_resource_payload.go
@@ -59,7 +59,7 @@ func (o *EnableServiceResourcePayload) GetBackupPolicyIdOk() (*string, bool) {
 
 // HasBackupPolicyId returns a boolean if a field has been set.
 func (o *EnableServiceResourcePayload) HasBackupPolicyId() bool {
-	if o != nil && !IsNil(o.BackupPolicyId) {
+	if o != nil && !IsNil(o.BackupPolicyId) && !IsNil(o.BackupPolicyId) {
 		return true
 	}
 
diff --git a/services/serverbackup/model_get_backup_policies_response.go b/services/serverbackup/model_get_backup_policies_response.go
index d10d7bc8e..2e932e1ef 100644
--- a/services/serverbackup/model_get_backup_policies_response.go
+++ b/services/serverbackup/model_get_backup_policies_response.go
@@ -59,7 +59,7 @@ func (o *GetBackupPoliciesResponse) GetItemsOk() (*[]BackupPolicy, bool) {
 
 // HasItems returns a boolean if a field has been set.
 func (o *GetBackupPoliciesResponse) HasItems() bool {
-	if o != nil && !IsNil(o.Items) {
+	if o != nil && !IsNil(o.Items) && !IsNil(o.Items) {
 		return true
 	}
 
diff --git a/services/serverbackup/model_get_backup_schedules_response.go b/services/serverbackup/model_get_backup_schedules_response.go
index 54529d2be..567b9d549 100644
--- a/services/serverbackup/model_get_backup_schedules_response.go
+++ b/services/serverbackup/model_get_backup_schedules_response.go
@@ -59,7 +59,7 @@ func (o *GetBackupSchedulesResponse) GetItemsOk() (*[]BackupSchedule, bool) {
 
 // HasItems returns a boolean if a field has been set.
 func (o *GetBackupSchedulesResponse) HasItems() bool {
-	if o != nil && !IsNil(o.Items) {
+	if o != nil && !IsNil(o.Items) && !IsNil(o.Items) {
 		return true
 	}
 
diff --git a/services/serverbackup/model_get_backups_list_response.go b/services/serverbackup/model_get_backups_list_response.go
index acfc31a89..2ea9066c6 100644
--- a/services/serverbackup/model_get_backups_list_response.go
+++ b/services/serverbackup/model_get_backups_list_response.go
@@ -59,7 +59,7 @@ func (o *GetBackupsListResponse) GetItemsOk() (*[]Backup, bool) {
 
 // HasItems returns a boolean if a field has been set.
 func (o *GetBackupsListResponse) HasItems() bool {
-	if o != nil && !IsNil(o.Items) {
+	if o != nil && !IsNil(o.Items) && !IsNil(o.Items) {
 		return true
 	}
 
diff --git a/services/serverbackup/model_restore_backup_payload.go b/services/serverbackup/model_restore_backup_payload.go
index 9a1acda49..39f77a32d 100644
--- a/services/serverbackup/model_restore_backup_payload.go
+++ b/services/serverbackup/model_restore_backup_payload.go
@@ -46,7 +46,7 @@ func NewRestoreBackupPayloadWithDefaults() *RestoreBackupPayload {
 
 // GetStartServerAfterRestore returns the StartServerAfterRestore field value
 func (o *RestoreBackupPayload) GetStartServerAfterRestore() *bool {
-	if o == nil {
+	if o == nil || IsNil(o.StartServerAfterRestore) {
 		var ret *bool
 		return ret
 	}
@@ -88,7 +88,7 @@ func (o *RestoreBackupPayload) GetVolumeIdsOk() (*[]string, bool) {
 
 // HasVolumeIds returns a boolean if a field has been set.
 func (o *RestoreBackupPayload) HasVolumeIds() bool {
-	if o != nil && !IsNil(o.VolumeIds) {
+	if o != nil && !IsNil(o.VolumeIds) && !IsNil(o.VolumeIds) {
 		return true
 	}
 
diff --git a/services/serverbackup/model_restore_volume_backup_payload.go b/services/serverbackup/model_restore_volume_backup_payload.go
index 7b1f47a62..fbeb055a9 100644
--- a/services/serverbackup/model_restore_volume_backup_payload.go
+++ b/services/serverbackup/model_restore_volume_backup_payload.go
@@ -45,7 +45,7 @@ func NewRestoreVolumeBackupPayloadWithDefaults() *RestoreVolumeBackupPayload {
 
 // GetRestoreVolumeId returns the RestoreVolumeId field value
 func (o *RestoreVolumeBackupPayload) GetRestoreVolumeId() *string {
-	if o == nil {
+	if o == nil || IsNil(o.RestoreVolumeId) {
 		var ret *string
 		return ret
 	}
diff --git a/services/serverbackup/model_update_backup_schedule_payload.go b/services/serverbackup/model_update_backup_schedule_payload.go
index 751d20334..c64e7c859 100644
--- a/services/serverbackup/model_update_backup_schedule_payload.go
+++ b/services/serverbackup/model_update_backup_schedule_payload.go
@@ -71,7 +71,7 @@ func (o *UpdateBackupSchedulePayload) GetBackupPropertiesOk() (*BackupProperties
 
 // HasBackupProperties returns a boolean if a field has been set.
 func (o *UpdateBackupSchedulePayload) HasBackupProperties() bool {
-	if o != nil && !IsNil(o.BackupProperties) {
+	if o != nil && !IsNil(o.BackupProperties) && !IsNil(o.BackupProperties) {
 		return true
 	}
 
@@ -85,7 +85,7 @@ func (o *UpdateBackupSchedulePayload) SetBackupProperties(v *BackupProperties) {
 
 // GetEnabled returns the Enabled field value
 func (o *UpdateBackupSchedulePayload) GetEnabled() *bool {
-	if o == nil {
+	if o == nil || IsNil(o.Enabled) {
 		var ret *bool
 		return ret
 	}
@@ -109,7 +109,7 @@ func (o *UpdateBackupSchedulePayload) SetEnabled(v *bool) {
 
 // GetName returns the Name field value
 func (o *UpdateBackupSchedulePayload) GetName() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Name) {
 		var ret *string
 		return ret
 	}
@@ -133,7 +133,7 @@ func (o *UpdateBackupSchedulePayload) SetName(v *string) {
 
 // GetRrule returns the Rrule field value
 func (o *UpdateBackupSchedulePayload) GetRrule() *string {
-	if o == nil {
+	if o == nil || IsNil(o.Rrule) {
 		var ret *string
 		return ret
 	}