diff --git a/services/preview/containerservice/mgmt/2018-09-30-preview/containerservice/models.go b/services/preview/containerservice/mgmt/2018-09-30-preview/containerservice/models.go
index 31ba2f211340..5fe46ccd4aea 100644
--- a/services/preview/containerservice/mgmt/2018-09-30-preview/containerservice/models.go
+++ b/services/preview/containerservice/mgmt/2018-09-30-preview/containerservice/models.go
@@ -241,8 +241,8 @@ func (future *ContainerServicesCreateOrUpdateFutureType) Result(client Container
 	return
 }
 
-// ContainerServicesDeleteFutureType an abstraction for monitoring and retrieving the results of a long-running
-// operation.
+// ContainerServicesDeleteFutureType an abstraction for monitoring and retrieving the results of a
+// long-running operation.
 type ContainerServicesDeleteFutureType struct {
 	azure.Future
 }
@@ -470,8 +470,11 @@ func (page ListResultPage) Values() []ContainerService {
 }
 
 // Creates a new instance of the ListResultPage type.
-func NewListResultPage(getNextPage func(context.Context, ListResult) (ListResult, error)) ListResultPage {
-	return ListResultPage{fn: getNextPage}
+func NewListResultPage(cur ListResult, getNextPage func(context.Context, ListResult) (ListResult, error)) ListResultPage {
+	return ListResultPage{
+		fn: getNextPage,
+		lr: cur,
+	}
 }
 
 // ManagedCluster managed cluster.
@@ -916,8 +919,11 @@ func (page ManagedClusterListResultPage) Values() []ManagedCluster {
 }
 
 // Creates a new instance of the ManagedClusterListResultPage type.
-func NewManagedClusterListResultPage(getNextPage func(context.Context, ManagedClusterListResult) (ManagedClusterListResult, error)) ManagedClusterListResultPage {
-	return ManagedClusterListResultPage{fn: getNextPage}
+func NewManagedClusterListResultPage(cur ManagedClusterListResult, getNextPage func(context.Context, ManagedClusterListResult) (ManagedClusterListResult, error)) ManagedClusterListResultPage {
+	return ManagedClusterListResultPage{
+		fn:   getNextPage,
+		mclr: cur,
+	}
 }
 
 // ManagedClusterPoolUpgradeProfile the list of available upgrade versions.
@@ -1045,8 +1051,8 @@ func (future *ManagedClustersDeleteFuture) Result(client ManagedClustersClient)
 	return
 }
 
-// ManagedClusterServicePrincipalProfile information about a service principal identity for the cluster to use
-// for manipulating Azure APIs.
+// ManagedClusterServicePrincipalProfile information about a service principal identity for the cluster to
+// use for manipulating Azure APIs.
 type ManagedClusterServicePrincipalProfile struct {
 	// ClientID - The ID for the service principal.
 	ClientID *string `json:"clientId,omitempty"`
@@ -1077,8 +1083,8 @@ func (future *ManagedClustersResetAADProfileFuture) Result(client ManagedCluster
 	return
 }
 
-// ManagedClustersResetServicePrincipalProfileFuture an abstraction for monitoring and retrieving the results
-// of a long-running operation.
+// ManagedClustersResetServicePrincipalProfileFuture an abstraction for monitoring and retrieving the
+// results of a long-running operation.
 type ManagedClustersResetServicePrincipalProfileFuture struct {
 	azure.Future
 }
@@ -1100,8 +1106,8 @@ func (future *ManagedClustersResetServicePrincipalProfileFuture) Result(client M
 	return
 }
 
-// ManagedClustersUpdateTagsFuture an abstraction for monitoring and retrieving the results of a long-running
-// operation.
+// ManagedClustersUpdateTagsFuture an abstraction for monitoring and retrieving the results of a
+// long-running operation.
 type ManagedClustersUpdateTagsFuture struct {
 	azure.Future
 }
@@ -1463,7 +1469,8 @@ type OpenShiftManagedClusterAgentPoolProfile struct {
 	Role OpenShiftAgentPoolProfileRole `json:"role,omitempty"`
 }
 
-// OpenShiftManagedClusterAuthProfile defines all possible authentication profiles for the OpenShift cluster.
+// OpenShiftManagedClusterAuthProfile defines all possible authentication profiles for the OpenShift
+// cluster.
 type OpenShiftManagedClusterAuthProfile struct {
 	// IdentityProviders - Type of authentication profile to use.
 	IdentityProviders *[]OpenShiftManagedClusterIdentityProvider `json:"identityProviders,omitempty"`
@@ -1543,8 +1550,8 @@ func (osmcbip OpenShiftManagedClusterBaseIdentityProvider) AsBasicOpenShiftManag
 	return &osmcbip, true
 }
 
-// OpenShiftManagedClusterIdentityProvider defines the configuration of the identity providers to be used in
-// the OpenShift cluster.
+// OpenShiftManagedClusterIdentityProvider defines the configuration of the identity providers to be used
+// in the OpenShift cluster.
 type OpenShiftManagedClusterIdentityProvider struct {
 	// Name - Name of the provider.
 	Name *string `json:"name,omitempty"`
@@ -1602,8 +1609,8 @@ func (osmclr OpenShiftManagedClusterListResult) MarshalJSON() ([]byte, error) {
 	return json.Marshal(objectMap)
 }
 
-// OpenShiftManagedClusterListResultIterator provides access to a complete listing of OpenShiftManagedCluster
-// values.
+// OpenShiftManagedClusterListResultIterator provides access to a complete listing of
+// OpenShiftManagedCluster values.
 type OpenShiftManagedClusterListResultIterator struct {
 	i    int
 	page OpenShiftManagedClusterListResultPage
@@ -1746,12 +1753,15 @@ func (page OpenShiftManagedClusterListResultPage) Values() []OpenShiftManagedClu
 }
 
 // Creates a new instance of the OpenShiftManagedClusterListResultPage type.
-func NewOpenShiftManagedClusterListResultPage(getNextPage func(context.Context, OpenShiftManagedClusterListResult) (OpenShiftManagedClusterListResult, error)) OpenShiftManagedClusterListResultPage {
-	return OpenShiftManagedClusterListResultPage{fn: getNextPage}
+func NewOpenShiftManagedClusterListResultPage(cur OpenShiftManagedClusterListResult, getNextPage func(context.Context, OpenShiftManagedClusterListResult) (OpenShiftManagedClusterListResult, error)) OpenShiftManagedClusterListResultPage {
+	return OpenShiftManagedClusterListResultPage{
+		fn:     getNextPage,
+		osmclr: cur,
+	}
 }
 
-// OpenShiftManagedClusterMasterPoolProfile openShiftManagedClusterMaterPoolProfile contains configuration for
-// OpenShift master VMs.
+// OpenShiftManagedClusterMasterPoolProfile openShiftManagedClusterMaterPoolProfile contains configuration
+// for OpenShift master VMs.
 type OpenShiftManagedClusterMasterPoolProfile struct {
 	// Name - Unique name of the master pool profile in the context of the subscription and resource group.
 	Name *string `json:"name,omitempty"`
@@ -1817,8 +1827,8 @@ func (osmcp OpenShiftManagedClusterProperties) MarshalJSON() ([]byte, error) {
 	return json.Marshal(objectMap)
 }
 
-// OpenShiftManagedClustersCreateOrUpdateFuture an abstraction for monitoring and retrieving the results of a
-// long-running operation.
+// OpenShiftManagedClustersCreateOrUpdateFuture an abstraction for monitoring and retrieving the results of
+// a long-running operation.
 type OpenShiftManagedClustersCreateOrUpdateFuture struct {
 	azure.Future
 }