for (let i = 0; i < moveFrom.length; i++) {
        const moveFromIndex = moveFrom[i];
        const tagToMove =
          shadowViewToManage.reactSubviews[moveFromIndex].reactTag;
        viewsToAdd[i] = {
          tag: tagToMove,
          index: moveTo[i]
        };
        indicesToRemove[i] = moveFromIndex;
        tagsToRemove[i] = tagToMove;
      }
Register a root view with the RCTUIManager.