public void setColumnIndex(Integer columnIndex) {
        this.columnIndex = columnIndex;
    }
<p>
The column in which a table cell appears. The first column position is 1. <code>ColumnIndex</code> isn't returned
by <code>DetectDocumentText</code> and <code>GetDocumentTextDetection</code>.
</p>

@param columnIndex
       The column in which a table cell appears. The first column position is 1. <code>ColumnIndex</code> isn't
       returned by <code>DetectDocumentText</code> and <code>GetDocumentTextDetection</code>.
aws-java-sdk-textract/src/main/java/com/amazonaws/services/textract/model/Block.java