// Signature format: 2.0 package android.app.role { public class RoleFrameworkInitializer { method public static void registerServiceWrappers(); } public final class RoleManager { method @Nullable public String getBrowserRoleHolder(int); method @Nullable public String getSmsRoleHolder(int); method @Nullable @RequiresPermission(android.Manifest.permission.SET_PREFERRED_APPLICATIONS) public boolean setBrowserRoleHolder(@Nullable String, int); } }