src/main/java/org/apache/datasketches/pig/theta/DataToSketch.java [220:251]:
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  @SuppressWarnings("unused")
  @Override
  public Schema outputSchema(final Schema input) {
    if (input != null) {
      try {
        final Schema tupleSchema = new Schema();
        tupleSchema.add(new Schema.FieldSchema("Sketch", DataType.BYTEARRAY));
        return new Schema(new Schema.FieldSchema(getSchemaName(this
            .getClass().getName().toLowerCase(), input), tupleSchema, DataType.TUPLE));
      }
      catch (final FrontendException e) {
        // fall through
      }
    }
    return null;
  }

  //ACCUMULATOR INTERFACE

  /*************************************************************************************************
   * An <i>Accumulator</i> version of the standard <i>exec()</i> method. Like <i>exec()</i>,
   * accumulator is called with a bag of Datum Tuples. Unlike <i>exec()</i>, it doesn't serialize the
   * sketch at the end. Instead, it can be called multiple times, each time with another bag of
   * Datum Tuples to be input to the sketch.
   *
   * @param inputTuple A tuple containing a single bag, containing Datum Tuples.
   * @see #exec
   * @see "org.apache.pig.Accumulator.accumulate(org.apache.pig.data.Tuple)"
   * @throws IOException by Pig
   */
  @Override
  public void accumulate(final Tuple inputTuple) throws IOException { //throws is in API
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src/main/java/org/apache/datasketches/pig/theta/Intersect.java [146:177]:
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  @SuppressWarnings("unused")
  @Override
  public Schema outputSchema(final Schema input) {
    if (input != null) {
      try {
        final Schema tupleSchema = new Schema();
        tupleSchema.add(new Schema.FieldSchema("Sketch", DataType.BYTEARRAY));
        return new Schema(new Schema.FieldSchema(getSchemaName(this
            .getClass().getName().toLowerCase(), input), tupleSchema, DataType.TUPLE));
      }
      catch (final FrontendException e) {
        // fall through
      }
    }
    return null;
  }

  //ACCUMULATOR INTERFACE

  /*************************************************************************************************
   * An <i>Accumulator</i> version of the standard <i>exec()</i> method. Like <i>exec()</i>,
   * accumulator is called with a bag of Sketch Tuples. Unlike <i>exec()</i>, it doesn't serialize the
   * sketch at the end. Instead, it can be called multiple times, each time with another bag of
   * Sketch Tuples to be input to the Intersection.
   *
   * @param inputTuple A tuple containing a single bag, containing Sketch Tuples.
   * @see #exec
   * @see "org.apache.pig.Accumulator.accumulate(org.apache.pig.data.Tuple)"
   * @throws IOException by Pig
   */
  @Override
  public void accumulate(final Tuple inputTuple) throws IOException { //throws is in API
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