docs: private static boolean polylineContainsEnvelope_(Polyline polyline_a,
  			Envelope envelope_b, double tolerance,
  			ProgressTracker progress_tracker) {
  		Envelope2D env_a = new Envelope2D(), env_b = new Envelope2D();
  		envelope_b.queryEnvelope2D(env_b);
  		polyline_a.queryEnvelope2D(env_a);
  
  		if (!envelopeInfContainsEnvelope_(env_a, env_b, tolerance))
  			return false;
  
  		if (env_b.getHeight() > tolerance && env_b.getWidth() > tolerance)
  			return false; // when treated as an area, lines cannot contain
  							// areas.
  
  		if (env_b.getHeight() <= tolerance && env_b.getWidth() <= tolerance) {// Treat
  																				// as
  																				// point
  			Point2D pt_b = envelope_b.getCenterXY();
  			return linearPathContainsPoint_(polyline_a, pt_b, tolerance);
  		}
  
  		// Treat as polyline
  		Polyline polyline_b = new Polyline();
  		Point p = new Point();
  		envelope_b.queryCornerByVal(0, p);
  		polyline_b.startPath(p);
  		envelope_b.queryCornerByVal(2, p);
  		polyline_b.lineTo(p);
  		return linearPathWithinLinearPath_(polyline_b, polyline_a, tolerance, false);
  	}