1 files changed, 21 insertions, 0 deletions
diff --git a/src/com/android/onboarding/versions/annotations/ChangeRadius.kt b/src/com/android/onboarding/versions/annotations/ChangeRadius.kt
new file mode 100644
index 0000000..19ffe79
--- /dev/null
+++ b/src/com/android/onboarding/versions/annotations/ChangeRadius.kt
@@ -0,0 +1,21 @@
+package com.android.onboarding.versions.annotations
+
+/** The radius of effect of a given change. */
+enum class ChangeRadius {
+  /**
+   * The change only applies to a single component at a time.
+   *
+   * For example, a change to functionality which shows a loading screen in the current process
+   * might be SINGLE_COMPONENT - as long as it doesn't make calls to other components.
+   */
+  SINGLE_COMPONENT,
+
+  /**
+   * The change involves multiple components.
+   *
+   * For example, any change to an API which one component exposes to another (via activity starts,
+   * broadcasts, services, etc.) is intrinsically MULTI_COMPONENT.
+   */
+  // Multi-component changes are not currently supported
+  // MULTI_COMPONENT
+}