code: @NonNull
      public ChangeText setChangeBehavior(int changeBehavior) {
          if (changeBehavior >= CHANGE_BEHAVIOR_KEEP && changeBehavior <= CHANGE_BEHAVIOR_OUT_IN) {
              mChangeBehavior = changeBehavior;
          }
          return this;
      }
docs: Sets the type of changing animation that will be run, one of
  {@link #CHANGE_BEHAVIOR_KEEP}, {@link #CHANGE_BEHAVIOR_OUT},
  {@link #CHANGE_BEHAVIOR_IN}, and {@link #CHANGE_BEHAVIOR_OUT_IN}.
  
  @param changeBehavior The type of fading animation to use when this
  transition is run.
  @return this textChange object.