private boolean isMemberOfAddedShape(Shape shape, Differences differences) {
        return shape.asMemberShape()
                .filter(member -> !differences.getOldModel().getShapeIds().contains(member.getContainer()))
                .isPresent();
    }
Creates a NOTE event when a shape is added.
smithy-diff/src/main/java/software/amazon/smithy/diff/evaluators/AddedShape.java