docs: @Pure
  	public static boolean isParallelLines(
  			double x1, double y1, double z1, double x2, double y2, double z2,
  			double x3, double y3, double z3, double x4, double y4, double z4) {
  		return FunctionalVector3D.isCollinearVectors(x2 - x1, y2 - y1, z2 - z1, x4 - x3, y4 - y3, z4 - z3);
  	}