vector/src/main/java/org/apache/arrow/vector/BaseVariableWidthVector.java [66:77]:
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  public BaseVariableWidthVector(Field field, final BufferAllocator allocator) {
    super(allocator);
    this.field = field;
    lastValueAllocationSizeInBytes = INITIAL_BYTE_COUNT;
    // -1 because we require one extra slot for the offset array.
    lastValueCapacity = INITIAL_VALUE_ALLOCATION - 1;
    valueCount = 0;
    lastSet = -1;
    offsetBuffer = allocator.getEmpty();
    validityBuffer = allocator.getEmpty();
    valueBuffer = allocator.getEmpty();
  }
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vector/src/main/java/org/apache/arrow/vector/BaseLargeVariableWidthVector.java [68:79]:
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  public BaseLargeVariableWidthVector(Field field, final BufferAllocator allocator) {
    super(allocator);
    this.field = field;
    lastValueAllocationSizeInBytes = INITIAL_BYTE_COUNT;
    // -1 because we require one extra slot for the offset array.
    lastValueCapacity = INITIAL_VALUE_ALLOCATION - 1;
    valueCount = 0;
    lastSet = -1;
    offsetBuffer = allocator.getEmpty();
    validityBuffer = allocator.getEmpty();
    valueBuffer = allocator.getEmpty();
  }
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