diff --git a/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/accesspolicies.go b/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/accesspolicies.go
index 47bdb4a7eb43..fe6de87afa6b 100644
--- a/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/accesspolicies.go
+++ b/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/accesspolicies.go
@@ -36,7 +36,8 @@ func NewAccessPoliciesClient(subscriptionID string) AccessPoliciesClient {
 	return NewAccessPoliciesClientWithBaseURI(DefaultBaseURI, subscriptionID)
 }
 
-// NewAccessPoliciesClientWithBaseURI creates an instance of the AccessPoliciesClient client.
+// NewAccessPoliciesClientWithBaseURI creates an instance of the AccessPoliciesClient client using a custom endpoint.
+// Use this when interacting with an Azure cloud that uses a non-standard base URI (sovereign clouds, Azure stack).
 func NewAccessPoliciesClientWithBaseURI(baseURI string, subscriptionID string) AccessPoliciesClient {
 	return AccessPoliciesClient{NewWithBaseURI(baseURI, subscriptionID)}
 }
diff --git a/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/client.go b/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/client.go
index b8f0c51df84d..de07462c1acb 100644
--- a/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/client.go
+++ b/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/client.go
@@ -41,7 +41,8 @@ func New(subscriptionID string) BaseClient {
 	return NewWithBaseURI(DefaultBaseURI, subscriptionID)
 }
 
-// NewWithBaseURI creates an instance of the BaseClient client.
+// NewWithBaseURI creates an instance of the BaseClient client using a custom endpoint.  Use this when interacting with
+// an Azure cloud that uses a non-standard base URI (sovereign clouds, Azure stack).
 func NewWithBaseURI(baseURI string, subscriptionID string) BaseClient {
 	return BaseClient{
 		Client:         autorest.NewClientWithUserAgent(UserAgent()),
diff --git a/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/environments.go b/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/environments.go
index fdda60049e0d..701ad170a5e7 100644
--- a/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/environments.go
+++ b/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/environments.go
@@ -36,7 +36,8 @@ func NewEnvironmentsClient(subscriptionID string) EnvironmentsClient {
 	return NewEnvironmentsClientWithBaseURI(DefaultBaseURI, subscriptionID)
 }
 
-// NewEnvironmentsClientWithBaseURI creates an instance of the EnvironmentsClient client.
+// NewEnvironmentsClientWithBaseURI creates an instance of the EnvironmentsClient client using a custom endpoint.  Use
+// this when interacting with an Azure cloud that uses a non-standard base URI (sovereign clouds, Azure stack).
 func NewEnvironmentsClientWithBaseURI(baseURI string, subscriptionID string) EnvironmentsClient {
 	return EnvironmentsClient{NewWithBaseURI(baseURI, subscriptionID)}
 }
diff --git a/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/eventsources.go b/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/eventsources.go
index 1be9113b4094..89b77ddf304c 100644
--- a/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/eventsources.go
+++ b/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/eventsources.go
@@ -36,7 +36,8 @@ func NewEventSourcesClient(subscriptionID string) EventSourcesClient {
 	return NewEventSourcesClientWithBaseURI(DefaultBaseURI, subscriptionID)
 }
 
-// NewEventSourcesClientWithBaseURI creates an instance of the EventSourcesClient client.
+// NewEventSourcesClientWithBaseURI creates an instance of the EventSourcesClient client using a custom endpoint.  Use
+// this when interacting with an Azure cloud that uses a non-standard base URI (sovereign clouds, Azure stack).
 func NewEventSourcesClientWithBaseURI(baseURI string, subscriptionID string) EventSourcesClient {
 	return EventSourcesClient{NewWithBaseURI(baseURI, subscriptionID)}
 }
diff --git a/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/operations.go b/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/operations.go
index d6c8b79ba3ab..87a030ab8dcb 100644
--- a/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/operations.go
+++ b/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/operations.go
@@ -35,7 +35,8 @@ func NewOperationsClient(subscriptionID string) OperationsClient {
 	return NewOperationsClientWithBaseURI(DefaultBaseURI, subscriptionID)
 }
 
-// NewOperationsClientWithBaseURI creates an instance of the OperationsClient client.
+// NewOperationsClientWithBaseURI creates an instance of the OperationsClient client using a custom endpoint.  Use this
+// when interacting with an Azure cloud that uses a non-standard base URI (sovereign clouds, Azure stack).
 func NewOperationsClientWithBaseURI(baseURI string, subscriptionID string) OperationsClient {
 	return OperationsClient{NewWithBaseURI(baseURI, subscriptionID)}
 }
diff --git a/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/referencedatasets.go b/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/referencedatasets.go
index 3c8907ffc313..cbc6e03dcd8e 100644
--- a/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/referencedatasets.go
+++ b/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/referencedatasets.go
@@ -36,7 +36,9 @@ func NewReferenceDataSetsClient(subscriptionID string) ReferenceDataSetsClient {
 	return NewReferenceDataSetsClientWithBaseURI(DefaultBaseURI, subscriptionID)
 }
 
-// NewReferenceDataSetsClientWithBaseURI creates an instance of the ReferenceDataSetsClient client.
+// NewReferenceDataSetsClientWithBaseURI creates an instance of the ReferenceDataSetsClient client using a custom
+// endpoint.  Use this when interacting with an Azure cloud that uses a non-standard base URI (sovereign clouds, Azure
+// stack).
 func NewReferenceDataSetsClientWithBaseURI(baseURI string, subscriptionID string) ReferenceDataSetsClient {
 	return ReferenceDataSetsClient{NewWithBaseURI(baseURI, subscriptionID)}
 }
diff --git a/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/timeseriesinsightsapi/interfaces.go b/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/timeseriesinsightsapi/interfaces.go
index 44958618d532..872645533c21 100644
--- a/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/timeseriesinsightsapi/interfaces.go
+++ b/services/preview/timeseriesinsights/mgmt/2017-02-28-preview/timeseriesinsights/timeseriesinsightsapi/interfaces.go
@@ -26,6 +26,7 @@ import (
 // OperationsClientAPI contains the set of methods on the OperationsClient type.
 type OperationsClientAPI interface {
 	List(ctx context.Context) (result timeseriesinsights.OperationListResultPage, err error)
+	ListComplete(ctx context.Context) (result timeseriesinsights.OperationListResultIterator, err error)
 }
 
 var _ OperationsClientAPI = (*timeseriesinsights.OperationsClient)(nil)