diff --git a/ui/build/config.go b/ui/build/config.go
index 36119f0..dff7c4f 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -82,6 +82,7 @@
 	skipSoong       bool
 	skipNinja       bool
 	skipSoongTests  bool
+	searchApiDir    bool // Scan the Android.bp files generated in out/api_surfaces
 
 	// From the product config
 	katiArgs        []string
@@ -725,6 +726,8 @@
 			c.bazelDevMode = true
 		} else if arg == "--bazel-mode-staging" {
 			c.bazelStagingMode = true
+		} else if arg == "--search-api-dir" {
+			c.searchApiDir = true
 		} else if len(arg) > 0 && arg[0] == '-' {
 			parseArgNum := func(def int) int {
 				if len(arg) > 2 {
@@ -884,6 +887,10 @@
 	return filepath.Join(c.OutDir(), "soong")
 }
 
+func (c *configImpl) ApiSurfacesOutDir() string {
+	return filepath.Join(c.OutDir(), "api_surfaces")
+}
+
 func (c *configImpl) PrebuiltOS() string {
 	switch runtime.GOOS {
 	case "linux":