public void setColumnWidth(int column, String width) {
        columnWidthsByIndex.put(column, width);
        maxColumnIndex = Math.max(maxColumnIndex, column);

        // Update the column width.
        if (column < getRealColumnCount()) {
            doSetColumnWidth(column, width);
        }
    }
Set the width of a {@link Column}.

@param column the column
@param width  the width of the column
stroom-core-client-widget/src/main/java/com/google/gwt/user/cellview/client/AbstractCellTable.java