diff --git a/apex/Android.bp b/apex/Android.bp
index c4e6456..312aadb 100644
--- a/apex/Android.bp
+++ b/apex/Android.bp
@@ -22,6 +22,7 @@
     srcs: [
         "androidmk.go",
         "apex.go",
+        "apex_sdk_member.go",
         "apex_singleton.go",
         "builder.go",
         "constants.go",
diff --git a/apex/apex.go b/apex/apex.go
index d613861..744a9a6 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -604,6 +604,18 @@
 	// replacement. This is needed because some prebuilt modules do not provide all the information
 	// needed by the apex.
 	sourceOnly bool
+
+	// If not-nil and an APEX is a member of an SDK then dependencies of that APEX with this tag will
+	// also be added as exported members of that SDK.
+	memberType android.SdkMemberType
+}
+
+func (d *dependencyTag) SdkMemberType(_ android.Module) android.SdkMemberType {
+	return d.memberType
+}
+
+func (d *dependencyTag) ExportMember() bool {
+	return true
 }
 
 func (d *dependencyTag) String() string {
@@ -615,6 +627,7 @@
 }
 
 var _ android.ReplaceSourceWithPrebuilt = &dependencyTag{}
+var _ android.SdkMemberDependencyTag = &dependencyTag{}
 
 var (
 	androidAppTag   = &dependencyTag{name: "androidApp", payload: true}
@@ -622,8 +635,8 @@
 	certificateTag  = &dependencyTag{name: "certificate"}
 	executableTag   = &dependencyTag{name: "executable", payload: true}
 	fsTag           = &dependencyTag{name: "filesystem", payload: true}
-	bcpfTag         = &dependencyTag{name: "bootclasspathFragment", payload: true, sourceOnly: true}
-	sscpfTag        = &dependencyTag{name: "systemserverclasspathFragment", payload: true, sourceOnly: true}
+	bcpfTag         = &dependencyTag{name: "bootclasspathFragment", payload: true, sourceOnly: true, memberType: java.BootclasspathFragmentSdkMemberType}
+	sscpfTag        = &dependencyTag{name: "systemserverclasspathFragment", payload: true, sourceOnly: true, memberType: java.SystemServerClasspathFragmentSdkMemberType}
 	compatConfigTag = &dependencyTag{name: "compatConfig", payload: true, sourceOnly: true}
 	javaLibTag      = &dependencyTag{name: "javaLib", payload: true}
 	jniLibTag       = &dependencyTag{name: "jniLib", payload: true}
diff --git a/apex/apex_sdk_member.go b/apex/apex_sdk_member.go
new file mode 100644
index 0000000..284158f
--- /dev/null
+++ b/apex/apex_sdk_member.go
@@ -0,0 +1,58 @@
+// Copyright (C) 2022 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package apex
+
+import (
+	"android/soong/android"
+	"github.com/google/blueprint"
+	"github.com/google/blueprint/proptools"
+)
+
+// This file contains support for using apex modules within an sdk.
+
+func init() {
+	// Register sdk member types.
+	android.RegisterSdkMemberType(&apexSdkMemberType{
+		SdkMemberTypeBase: android.SdkMemberTypeBase{
+			PropertyName: "apexes",
+			SupportsSdk:  true,
+
+			// The apexes property does not need to be included in the snapshot as adding an apex to an
+			// sdk does not produce any prebuilts of the apex.
+			PrebuiltsRequired: proptools.BoolPtr(false),
+		},
+	})
+}
+
+type apexSdkMemberType struct {
+	android.SdkMemberTypeBase
+}
+
+func (mt *apexSdkMemberType) AddDependencies(ctx android.SdkDependencyContext, dependencyTag blueprint.DependencyTag, names []string) {
+	ctx.AddVariationDependencies(nil, dependencyTag, names...)
+}
+
+func (mt *apexSdkMemberType) IsInstance(module android.Module) bool {
+	_, ok := module.(*apexBundle)
+	return ok
+}
+
+func (mt *apexSdkMemberType) AddPrebuiltModule(ctx android.SdkMemberContext, member android.SdkMember) android.BpModule {
+	panic("Sdk does not create prebuilts of the apexes in its snapshot")
+}
+
+func (mt *apexSdkMemberType) CreateVariantPropertiesStruct() android.SdkMemberProperties {
+	panic("Sdk does not create prebuilts of the apexes in its snapshot")
+}