docs: @Pure
  	@XtextOperator("*")
  	public static <V extends Vector2D<? extends V, ?>> V operator_multiply(double left, V right) {
  		assert right != null : AssertMessages.notNullParameter(1);
  		return right.getGeomFactory().newVector(right.getX() * left, right.getY() * left);
  	}