function initialize(polylines) {
  return ApproximateTerrainHeights.initialize()
    .then(function () {
      updateMinimumMaximumHeights(
        polylines,
        polylines._rectangle,
        polylines._ellipsoid,
      );
    })
    .catch((error) => {
      if (polylines.isDestroyed()) {
        return;
      }

      // Throw the error next frame
      polylines._error = error;
    });
}
Apply a style to the content.

@param {Cesium3DTileStyle} style The style.
@param {Cesium3DTileFeature[]} features The dictionary of features.