It compiles

client/client.go

@@ -1,12 +1,12 @@
 package client
 
 import (
-	gardener_apis "github.com/gardener/gardener/pkg/client/garden/clientset/versioned/typed/garden/v1beta1"
+	gardener_apis "github.com/gardener/gardener/pkg/client/core/clientset/versioned/typed/core/v1beta1"
 	"k8s.io/client-go/tools/clientcmd"
 )
 
 type Client struct {
-	GardenerClientSet *gardener_apis.GardenV1beta1Client
+	GardenerClientSet *gardener_apis.CoreV1beta1Client
 }
 
 // Client configures and returns a fully initialized GardenerClient

expand/expand_metadata.go

@@ -3,7 +3,7 @@ package expand
 import (
 	"time"
 
-	v1beta1 "github.com/gardener/gardener/pkg/apis/garden/v1beta1"
+	corev1beta1 "github.com/gardener/gardener/pkg/apis/core/v1beta1"
 	"github.com/hashicorp/terraform/helper/schema"
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -62,10 +62,10 @@ func expandObjectReference(l []interface{}) *v1.ObjectReference {
 	}
 	return obj
 }
-func expandDuration(v string) *v1beta1.GardenerDuration {
+func expandDuration(v string) *corev1beta1.GardenerDuration {
 	d, err := time.ParseDuration(v)
 	if err != nil {
-		return &v1beta1.GardenerDuration{
+		return &corev1beta1.GardenerDuration{
 			Duration: d,
 		}
 	}