diff --git a/java/java.go b/java/java.go
index f58e5ba..d8db5f8 100644
--- a/java/java.go
+++ b/java/java.go
@@ -52,6 +52,23 @@
 
 	android.RegisterSingletonType("logtags", LogtagsSingleton)
 	android.RegisterSingletonType("kythe_java_extract", kytheExtractJavaFactory)
+
+	// Register sdk member types.
+	android.RegisterSdkMemberType(&headerLibrarySdkMemberType{
+		librarySdkMemberType{
+			android.SdkMemberTypeBase{
+				PropertyName: "java_header_libs",
+			},
+		},
+	})
+
+	android.RegisterSdkMemberType(&implLibrarySdkMemberType{
+		librarySdkMemberType{
+			android.SdkMemberTypeBase{
+				PropertyName: "java_libs",
+			},
+		},
+	})
 }
 
 func (j *Module) checkSdkVersion(ctx android.ModuleContext) {
@@ -1721,6 +1738,7 @@
 }
 
 type librarySdkMemberType struct {
+	android.SdkMemberTypeBase
 }
 
 func (mt *librarySdkMemberType) AddDependencies(mctx android.BottomUpMutatorContext, dependencyTag blueprint.DependencyTag, names []string) {
@@ -1764,8 +1782,6 @@
 	module.AddProperty("jars", []string{snapshotRelativeJavaLibPath})
 }
 
-var HeaderLibrarySdkMemberType = &headerLibrarySdkMemberType{}
-
 type headerLibrarySdkMemberType struct {
 	librarySdkMemberType
 }
@@ -1781,8 +1797,6 @@
 	})
 }
 
-var ImplLibrarySdkMemberType = &implLibrarySdkMemberType{}
-
 type implLibrarySdkMemberType struct {
 	librarySdkMemberType
 }