java/tools/src/java/org/apache/orc/tools/PrintData.java [59:76]:
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  private static void printMap(JsonWriter writer,
                               MapColumnVector vector,
                               TypeDescription schema,
                               int row) throws IOException {
    writer.beginArray();
    TypeDescription keyType = schema.getChildren().get(0);
    TypeDescription valueType = schema.getChildren().get(1);
    int offset = (int) vector.offsets[row];
    for (int i = 0; i < vector.lengths[row]; ++i) {
      writer.beginObject();
      writer.name("_key");
      printValue(writer, vector.keys, keyType, offset + i);
      writer.name("_value");
      printValue(writer, vector.values, valueType, offset + i);
      writer.endObject();
    }
    writer.endArray();
  }
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java/bench/core/src/java/org/apache/orc/bench/core/convert/json/JsonWriter.java [62:79]:
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  private static void printMap(com.google.gson.stream.JsonWriter writer,
                               MapColumnVector vector,
                               TypeDescription schema,
                               int row) throws IOException {
    writer.beginArray();
    TypeDescription keyType = schema.getChildren().get(0);
    TypeDescription valueType = schema.getChildren().get(1);
    int offset = (int) vector.offsets[row];
    for (int i = 0; i < vector.lengths[row]; ++i) {
      writer.beginObject();
      writer.name("_key");
      printValue(writer, vector.keys, keyType, offset + i);
      writer.name("_value");
      printValue(writer, vector.values, valueType, offset + i);
      writer.endObject();
    }
    writer.endArray();
  }
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