diff --git a/java/java.go b/java/java.go
index 0e54e3c..3663253 100644
--- a/java/java.go
+++ b/java/java.go
@@ -167,9 +167,24 @@
 	// If true, export a copy of the module as a -hostdex module for host testing.
 	Hostdex *bool
 
-	// If false, prevent dexpreopting and stripping the dex file from the final jar.  Defaults to
-	// true.
-	Dex_preopt *bool
+	Dex_preopt struct {
+		// If false, prevent dexpreopting and stripping the dex file from the final jar.  Defaults to
+		// true.
+		Enabled *bool
+
+		// If true, generate an app image (.art file) for this module.
+		App_image *bool
+
+		// If true, use a checked-in profile to guide optimization.  Defaults to false unless
+		// a matching profile is set or a profile is found in PRODUCT_DEX_PREOPT_PROFILE_DIR
+		// that matches the name of this module, in which case it is defaulted to true.
+		Profile_guided *bool
+
+		// If set, provides the path to profile relative to the Android.bp file.  If not set,
+		// defaults to searching for a file that matches the name of this module in the default
+		// profile location set by PRODUCT_DEX_PREOPT_PROFILE_DIR, or empty if not found.
+		Profile *string
+	}
 
 	// When targeting 1.9, override the modules to use with --system
 	System_modules *string