InstallAttributionEvent extends Event { @NonNull @Override public String getType() { return TYPE; } InstallAttributionEvent(@NonNull String referrer); @NonNull @Override String getType(); @NonNull @Override @RestrictTo(RestrictTo.Scope.LIBRARY_GROUP) JsonMap getEventData();  }
@Test public void testType() { InstallAttributionEvent event = new InstallAttributionEvent("referrer"); assertEquals("install_attribution", event.getType()); }