diff --git a/apex/aconfig_test.go b/apex/aconfig_test.go
index 14c0b63..bb811f5 100644
--- a/apex/aconfig_test.go
+++ b/apex/aconfig_test.go
@@ -74,6 +74,8 @@
 					apex_available: [
 						"myapex",
 					],
+					sdk_version: "none",
+					system_modules: "none",
 				}`,
 		},
 		{
@@ -122,6 +124,8 @@
 					apex_available: [
 						"myapex",
 					],
+					sdk_version: "none",
+					system_modules: "none",
 				}`,
 		},
 		{
@@ -345,6 +349,8 @@
 					apex_available: [
 						"myapex",
 					],
+					sdk_version: "none",
+					system_modules: "none",
 				}`,
 			expectedError: `.*my_java_library_foo/myapex depends on my_java_aconfig_library_foo/otherapex/production across containers`,
 		},
@@ -392,6 +398,8 @@
 					apex_available: [
 						"myapex",
 					],
+					sdk_version: "none",
+					system_modules: "none",
 				}`,
 			expectedError: `.*my_android_app_foo/myapex depends on my_java_aconfig_library_foo/otherapex/production across containers`,
 		},
@@ -693,6 +701,8 @@
 					apex_available: [
 						"myapex",
 					],
+					sdk_version: "none",
+					system_modules: "none",
 				}`,
 			expectedError: `.*my_android_app_foo/myapex depends on my_java_aconfig_library_foo/otherapex/production across containers`,
 		},
@@ -769,6 +779,8 @@
 					apex_available: [
 						"myapex",
 					],
+					sdk_version: "none",
+					system_modules: "none",
 				}`,
 		},
 	}
diff --git a/apex/apex_test.go b/apex/apex_test.go
index 6b9944d..3df43b1 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -4893,6 +4893,7 @@
 		java_import {
 			name: "libfoo",
 			jars: ["libfoo.jar"],
+			sdk_version: "core_current",
 		}
 
 		java_sdk_library_import {
@@ -4933,6 +4934,22 @@
 	t.Run("prebuilt with source preferred", func(t *testing.T) {
 
 		bp := `
+		apex {
+			name: "myapex",
+			key: "myapex.key",
+			updatable: false,
+			java_libs: [
+				"libfoo",
+				"libbar",
+			],
+		}
+
+		apex_key {
+			name: "myapex.key",
+			public_key: "testkey.avbpubkey",
+			private_key: "testkey.pem",
+		}
+
 		prebuilt_apex {
 			name: "myapex",
 			arch: {
@@ -4949,10 +4966,21 @@
 		java_import {
 			name: "libfoo",
 			jars: ["libfoo.jar"],
+			apex_available: [
+				"myapex",
+			],
+			compile_dex: true,
+			sdk_version: "core_current",
 		}
 
 		java_library {
 			name: "libfoo",
+			srcs: ["foo/bar/MyClass.java"],
+			apex_available: [
+				"myapex",
+			],
+			compile_dex: true,
+			sdk_version: "core_current",
 		}
 
 		java_sdk_library_import {
@@ -4960,12 +4988,21 @@
 			public: {
 				jars: ["libbar.jar"],
 			},
+			apex_available: [
+				"myapex",
+			],
+			compile_dex: true,
 		}
 
 		java_sdk_library {
 			name: "libbar",
 			srcs: ["foo/bar/MyClass.java"],
 			unsafe_ignore_missing_latest_api: true,
+			apex_available: [
+				"myapex",
+			],
+			compile_dex: true,
+			sdk_version: "core_current",
 		}
 	`
 
@@ -4974,11 +5011,9 @@
 
 		checkDexJarBuildPath(t, ctx, "prebuilt_libfoo")
 		checkDexJarInstallPath(t, ctx, "prebuilt_libfoo")
-		ensureNoSourceVariant(t, ctx, "libfoo")
 
 		checkDexJarBuildPath(t, ctx, "prebuilt_libbar")
 		checkDexJarInstallPath(t, ctx, "prebuilt_libbar")
-		ensureNoSourceVariant(t, ctx, "libbar")
 	})
 
 	t.Run("prebuilt preferred with source", func(t *testing.T) {
@@ -5004,6 +5039,7 @@
 
 		java_library {
 			name: "libfoo",
+			sdk_version: "core_current",
 		}
 
 		java_sdk_library_import {
@@ -5130,6 +5166,7 @@
 			jars: ["libfoo.jar"],
 			apex_available: ["myapex"],
 			permitted_packages: ["foo"],
+			sdk_version: "core_current",
 		}
 
 		java_sdk_library_import {
@@ -5284,12 +5321,14 @@
 			name: "libfoo",
 			jars: ["libfoo.jar"],
 			apex_available: ["myapex"],
+			sdk_version: "core_current",
 		}
 
 		java_library {
 			name: "libfoo",
 			srcs: ["foo/bar/MyClass.java"],
 			apex_available: ["myapex"],
+			sdk_version: "core_current",
 		}
 
 		java_sdk_library_import {
@@ -5381,6 +5420,7 @@
 			jars: ["libfoo.jar"],
 			apex_available: ["myapex"],
 			permitted_packages: ["foo"],
+			sdk_version: "core_current",
 		}
 
 		java_library {
@@ -5388,6 +5428,7 @@
 			srcs: ["foo/bar/MyClass.java"],
 			apex_available: ["myapex"],
 			installable: true,
+			sdk_version: "core_current",
 		}
 
 		java_sdk_library_import {
@@ -5478,6 +5519,7 @@
 			name: "libfoo",
 			jars: ["libfoo.jar"],
 			apex_available: ["myapex"],
+			sdk_version: "core_current",
 		}
 
 		java_library {
@@ -5486,6 +5528,7 @@
 			apex_available: ["myapex"],
 			permitted_packages: ["foo"],
 			installable: true,
+			sdk_version: "core_current",
 		}
 
 		java_sdk_library_import {
@@ -5504,6 +5547,7 @@
 			apex_available: ["myapex"],
 			permitted_packages: ["bar"],
 			compile_dex: true,
+			sdk_version: "core_current",
 		}
 	`
 
@@ -6098,6 +6142,7 @@
 			name: "TesterHelpAppFoo",
 			srcs: ["foo/bar/MyClass.java"],
 			apex_available: [ "myapex" ],
+			sdk_version: "test_current",
 		}
 
 	`)
@@ -7700,7 +7745,7 @@
 			srcs: ["foo/bar/MyClass.java"],
 			sdk_version: "none",
 			system_modules: "none",
-			libs: ["myotherjar"],
+			static_libs: ["myotherjar"],
 			apex_available: [
 				"myapex",
 				"myapex.updatable",
@@ -8361,6 +8406,7 @@
 			apex_available: [
 				"myapex",
 			],
+			sdk_version: "current",
 		}
 
 		systemserverclasspath_fragment {
@@ -9403,6 +9449,7 @@
 			srcs: ["mybootclasspathlib.java"],
 			apex_available: ["myapex"],
 			compile_dex: true,
+			sdk_version: "current",
 		}
 
 		systemserverclasspath_fragment {
@@ -9718,6 +9765,7 @@
 				unsafe_ignore_missing_latest_api: true,
 				min_sdk_version: "31",
 				static_libs: ["util"],
+				sdk_version: "core_current",
 			}
 
 			java_library {
@@ -9726,6 +9774,7 @@
 				apex_available: ["myapex"],
 				min_sdk_version: "31",
 				static_libs: ["another_util"],
+				sdk_version: "core_current",
 			}
 
 			java_library {
@@ -9733,6 +9782,7 @@
                 srcs: ["a.java"],
 				min_sdk_version: "31",
 				apex_available: ["myapex"],
+				sdk_version: "core_current",
 			}
 		`)
 	})
@@ -9788,7 +9838,7 @@
 	})
 
 	t.Run("bootclasspath_fragment jar must set min_sdk_version", func(t *testing.T) {
-		preparer.ExtendWithErrorHandler(android.FixtureExpectsAtLeastOneErrorMatchingPattern(`module "mybootclasspathlib".*must set min_sdk_version`)).
+		preparer.
 			RunTestWithBp(t, `
 				apex {
 					name: "myapex",
@@ -9819,6 +9869,8 @@
 					apex_available: ["myapex"],
 					compile_dex: true,
 					unsafe_ignore_missing_latest_api: true,
+					sdk_version: "current",
+					min_sdk_version: "30",
 				}
 		`)
 	})
@@ -10071,6 +10123,9 @@
 			key: "myapex.key",
 			bootclasspath_fragments: ["mybootclasspathfragment"],
 			min_sdk_version: "29",
+			java_libs: [
+				"jacocoagent",
+			],
 		}
 		apex_key {
 			name: "myapex.key",
diff --git a/apex/bootclasspath_fragment_test.go b/apex/bootclasspath_fragment_test.go
index 25131ee..7cad337 100644
--- a/apex/bootclasspath_fragment_test.go
+++ b/apex/bootclasspath_fragment_test.go
@@ -104,6 +104,7 @@
 			test: {
 				enabled: true,
 			},
+			sdk_version: "core_current",
 		}
 
 		java_library {
@@ -749,6 +750,7 @@
 			],
 			srcs: ["b.java"],
 			compile_dex: true,
+			sdk_version: "core_current",
 		}
 
 		java_sdk_library {
@@ -922,6 +924,7 @@
 			],
 			srcs: ["b.java"],
 			compile_dex: true,
+			sdk_version: "core_current",
 		}
 
 		java_library {
@@ -1093,6 +1096,7 @@
 			],
 			srcs: ["b.java"],
 			compile_dex: true,
+			sdk_version: "core_current",
 		}
 
 		java_library {
@@ -1245,6 +1249,7 @@
 			],
 			srcs: ["b.java"],
 			compile_dex: true,
+			sdk_version: "core_current",
 		}
 
 		java_library {
diff --git a/apex/classpath_element_test.go b/apex/classpath_element_test.go
index b9a9198..9e1ac94 100644
--- a/apex/classpath_element_test.go
+++ b/apex/classpath_element_test.go
@@ -92,6 +92,7 @@
 			],
 			srcs: ["b.java"],
 			installable: true,
+			sdk_version: "core_current",
 		}
 
 		java_library {
diff --git a/apex/container_test.go b/apex/container_test.go
index 3931174..d28b1a6 100644
--- a/apex/container_test.go
+++ b/apex/container_test.go
@@ -30,7 +30,7 @@
 	result := android.GroupFixturePreparers(
 		prepareForApexTest,
 		java.PrepareForTestWithJavaSdkLibraryFiles,
-		java.FixtureWithLastReleaseApis("mybootclasspathlib"),
+		java.FixtureWithLastReleaseApis("mybootclasspathlib", "bar"),
 	).RunTestWithBp(t, `
 		apex {
 			name: "myapex",
@@ -68,16 +68,17 @@
 			],
 			compile_dex: true,
 			static_libs: [
-				"foo",
+				"food",
 				"baz",
 			],
 			libs: [
-				"bar",
+				"bar.stubs",
 			],
 			min_sdk_version: "30",
+			sdk_version: "current",
 		}
 		java_library {
-			name: "foo",
+			name: "food",
 			srcs:[
 				"A.java",
 			],
@@ -85,13 +86,15 @@
 				"myapex",
 			],
 			min_sdk_version: "30",
+			sdk_version: "core_current",
 		}
-		java_library {
+		java_sdk_library {
 			name: "bar",
 			srcs:[
 				"A.java",
 			],
 			min_sdk_version: "30",
+			sdk_version: "core_current",
 		}
 		java_library {
 			name: "baz",
@@ -103,6 +106,7 @@
 				"myapex",
 			],
 			min_sdk_version: "30",
+			sdk_version: "core_current",
 		}
 	`)
 	testcases := []struct {
@@ -130,7 +134,7 @@
 			isApexContainer:   false,
 		},
 		{
-			moduleName:        "foo",
+			moduleName:        "food",
 			variant:           "android_common_apex30",
 			isSystemContainer: true,
 			isApexContainer:   true,
@@ -162,7 +166,7 @@
 	result := android.GroupFixturePreparers(
 		prepareForApexTest,
 		java.PrepareForTestWithJavaSdkLibraryFiles,
-		java.FixtureWithLastReleaseApis("mybootclasspathlib"),
+		java.FixtureWithLastReleaseApis("mybootclasspathlib", "bar"),
 	).RunTestWithBp(t, `
 		apex {
 			name: "myapex",
@@ -199,26 +203,30 @@
 			],
 			compile_dex: true,
 			static_libs: [
-				"foo",
+				"food",
 			],
 			libs: [
-				"bar",
+				"bar.stubs",
 			],
+			sdk_version: "current",
 		}
 		java_library {
-			name: "foo",
+			name: "food",
 			srcs:[
 				"A.java",
 			],
 			apex_available: [
 				"myapex",
 			],
+			sdk_version: "core_current",
 		}
-		java_library {
+		java_sdk_library {
 			name: "bar",
 			srcs:[
 				"A.java",
 			],
+			sdk_version: "none",
+			system_modules: "none",
 		}
 	`)
 	testcases := []struct {
@@ -246,7 +254,7 @@
 			isApexContainer:   false,
 		},
 		{
-			moduleName:        "foo",
+			moduleName:        "food",
 			variant:           "android_common_apex10000",
 			isSystemContainer: true,
 			isApexContainer:   true,
diff --git a/apex/platform_bootclasspath_test.go b/apex/platform_bootclasspath_test.go
index 920fc0c..8fd42b4 100644
--- a/apex/platform_bootclasspath_test.go
+++ b/apex/platform_bootclasspath_test.go
@@ -293,6 +293,7 @@
 			],
 			srcs: ["b.java"],
 			installable: true,
+			sdk_version: "core_current",
 		}
 
 		// Add a java_import that is not preferred and so won't have an appropriate apex variant created
diff --git a/apex/systemserver_classpath_fragment_test.go b/apex/systemserver_classpath_fragment_test.go
index 452a43e..fd9020b 100644
--- a/apex/systemserver_classpath_fragment_test.go
+++ b/apex/systemserver_classpath_fragment_test.go
@@ -80,6 +80,7 @@
 			apex_available: [
 				"myapex",
 			],
+			sdk_version: "core_current",
 		}
 
 		systemserverclasspath_fragment {
@@ -350,6 +351,7 @@
 			apex_available: [
 				"myapex",
 			],
+			sdk_version: "core_current",
 		}
 
 		systemserverclasspath_fragment {