code: @Override
    public long incrementColumnValue(byte[] row, byte[] family, byte[] qualifier, long amount)
        throws IOException {
      LOG.trace("incrementColumnValue(byte[], byte[], byte[], long)");
      try (
          Scope scope = TRACER.spanBuilder("BigtableTable.incrementColumnValue").startScopedSpan()) {
        Increment incr = new Increment(row);
        incr.addColumn(family, qualifier, amount);
        Result result = increment(incr);
  
        Cell cell = result.getColumnLatestCell(family, qualifier);
        if (cell == null) {
          LOG.error("Failed to find a incremented value in result of increment");
          throw new IOException(
              makeGenericExceptionMessage(
                  "increment",
                  options.getProjectId(),
                  tableName.getQualifierAsString(),
                  row));
        }
        return Bytes.toLong(CellUtil.cloneValue(cell));
      }
    }
docs: {@inheritDoc}