vector/src/main/java/org/apache/arrow/vector/complex/BaseLargeRepeatedValueViewVector.java [340:398]:
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      int currentSum = currentOffset + currentSize;
      maxOffsetSizeSum = Math.max(maxOffsetSizeSum, currentSum);
    }

    return maxOffsetSizeSum;
  }

  /**
   * Initialize the data vector (and execute callback) if it hasn't already been done, returns the
   * data vector.
   */
  public <T extends ValueVector> AddOrGetResult<T> addOrGetVector(FieldType fieldType) {
    boolean created = false;
    if (vector instanceof NullVector) {
      vector = fieldType.createNewSingleVector(defaultDataVectorName, allocator, repeatedCallBack);
      // returned vector must have the same field
      created = true;
      if (repeatedCallBack != null
          &&
          // not a schema change if changing from ZeroVector to ZeroVector
          (fieldType.getType().getTypeID() != ArrowType.ArrowTypeID.Null)) {
        repeatedCallBack.doWork();
      }
    }

    if (vector.getField().getType().getTypeID() != fieldType.getType().getTypeID()) {
      final String msg =
          String.format(
              "Inner vector type mismatch. Requested type: [%s], actual type: [%s]",
              fieldType.getType().getTypeID(), vector.getField().getType().getTypeID());
      throw new SchemaChangeRuntimeException(msg);
    }

    return new AddOrGetResult<>((T) vector, created);
  }

  protected void replaceDataVector(FieldVector v) {
    vector.clear();
    vector = v;
  }

  public abstract boolean isEmpty(int index);

  /**
   * Start a new value at the given index.
   *
   * @param index the index to start the new value at
   * @return the offset in the data vector where the new value starts
   */
  public int startNewValue(int index) {
    while (index >= getOffsetBufferValueCapacity()) {
      reallocOffsetBuffer();
    }
    while (index >= getSizeBufferValueCapacity()) {
      reallocSizeBuffer();
    }

    if (index > 0) {
      final int prevOffset = getMaxViewEndChildVectorByIndex(index);
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vector/src/main/java/org/apache/arrow/vector/complex/BaseRepeatedValueViewVector.java [340:398]:
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      int currentSum = currentOffset + currentSize;
      maxOffsetSizeSum = Math.max(maxOffsetSizeSum, currentSum);
    }

    return maxOffsetSizeSum;
  }

  /**
   * Initialize the data vector (and execute callback) if it hasn't already been done, returns the
   * data vector.
   */
  public <T extends ValueVector> AddOrGetResult<T> addOrGetVector(FieldType fieldType) {
    boolean created = false;
    if (vector instanceof NullVector) {
      vector = fieldType.createNewSingleVector(defaultDataVectorName, allocator, repeatedCallBack);
      // returned vector must have the same field
      created = true;
      if (repeatedCallBack != null
          &&
          // not a schema change if changing from ZeroVector to ZeroVector
          (fieldType.getType().getTypeID() != ArrowType.ArrowTypeID.Null)) {
        repeatedCallBack.doWork();
      }
    }

    if (vector.getField().getType().getTypeID() != fieldType.getType().getTypeID()) {
      final String msg =
          String.format(
              "Inner vector type mismatch. Requested type: [%s], actual type: [%s]",
              fieldType.getType().getTypeID(), vector.getField().getType().getTypeID());
      throw new SchemaChangeRuntimeException(msg);
    }

    return new AddOrGetResult<>((T) vector, created);
  }

  protected void replaceDataVector(FieldVector v) {
    vector.clear();
    vector = v;
  }

  public abstract boolean isEmpty(int index);

  /**
   * Start a new value at the given index.
   *
   * @param index the index to start the new value at
   * @return the offset in the data vector where the new value starts
   */
  public int startNewValue(int index) {
    while (index >= getOffsetBufferValueCapacity()) {
      reallocOffsetBuffer();
    }
    while (index >= getSizeBufferValueCapacity()) {
      reallocSizeBuffer();
    }

    if (index > 0) {
      final int prevOffset = getMaxViewEndChildVectorByIndex(index);
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