@Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        } else if (o == null || getClass() != o.getClass()) {
            return false;
        }
        TreeCursor cursor = (TreeCursor) o;
        return getTree().equals(cursor.getTree()) && Objects.equals(getParent(), cursor.getParent());
    }
@return All siblings after this cursor, in order.
smithy-syntax/src/main/java/software/amazon/smithy/syntax/TreeCursor.java