public JTSPointExpression<Point> pointN(int idx) {
        return JTSGeometryExpressions.pointOperation(SpatialOps.POINTN, mixin, ConstantImpl.create(idx));
    }
Returns the specified Point N in this LineString.

@param idx one based index
@return point at index
querydsl-spatial/src/main/java/com/querydsl/spatial/jts/JTSLineStringExpression.java