vector/src/main/java/org/apache/arrow/vector/BaseLargeVariableWidthVector.java [216:256]:
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  public void zeroVector() {
    initValidityBuffer();
    initOffsetBuffer();
    valueBuffer.setZero(0, valueBuffer.capacity());
  }

  /* zero out the validity buffer */
  private void initValidityBuffer() {
    validityBuffer.setZero(0, validityBuffer.capacity());
  }

  /* zero out the offset buffer */
  private void initOffsetBuffer() {
    offsetBuffer.setZero(0, offsetBuffer.capacity());
  }

  /**
   * Reset the vector to initial state. Same as {@link #zeroVector()}. Note that this method doesn't
   * release any memory.
   */
  @Override
  public void reset() {
    zeroVector();
    lastSet = -1;
    valueCount = 0;
  }

  /** Close the vector and release the associated buffers. */
  @Override
  public void close() {
    clear();
  }

  /** Same as {@link #close()}. */
  @Override
  public void clear() {
    validityBuffer = releaseBuffer(validityBuffer);
    valueBuffer = releaseBuffer(valueBuffer);
    offsetBuffer = releaseBuffer(offsetBuffer);
    lastSet = -1;
    valueCount = 0;
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vector/src/main/java/org/apache/arrow/vector/BaseVariableWidthVector.java [232:272]:
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  public void zeroVector() {
    initValidityBuffer();
    initOffsetBuffer();
    valueBuffer.setZero(0, valueBuffer.capacity());
  }

  /* zero out the validity buffer */
  private void initValidityBuffer() {
    validityBuffer.setZero(0, validityBuffer.capacity());
  }

  /* zero out the offset buffer */
  private void initOffsetBuffer() {
    offsetBuffer.setZero(0, offsetBuffer.capacity());
  }

  /**
   * Reset the vector to initial state. Same as {@link #zeroVector()}. Note that this method doesn't
   * release any memory.
   */
  @Override
  public void reset() {
    zeroVector();
    lastSet = -1;
    valueCount = 0;
  }

  /** Close the vector and release the associated buffers. */
  @Override
  public void close() {
    clear();
  }

  /** Same as {@link #close()}. */
  @Override
  public void clear() {
    validityBuffer = releaseBuffer(validityBuffer);
    valueBuffer = releaseBuffer(valueBuffer);
    offsetBuffer = releaseBuffer(offsetBuffer);
    lastSet = -1;
    valueCount = 0;
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