GeometryType sniffGeometryType(Object value, String column) {
    var converter = converters.get(column);
    if (value != null && converter != null) {
      return converter.sniffType.apply(value);
    }
    return GeometryType.UNKNOWN;
  }
Decodes geometries from a parquet record based on the {@link GeoParquetMetadata} provided.
planetiler-core/src/main/java/com/onthegomap/planetiler/reader/parquet/GeometryReader.java