Behat\Behat\Transformation\Transformation\RowBasedTableTransformation::supportsDefinitionAndArgument PHP Method

    public function supportsDefinitionAndArgument(DefinitionCall $definitionCall, $argumentIndex, $value)
    {
        if (!$value instanceof TableNode) {
            return false;
        }
        // What we're doing here is checking that we have a 2 column table.
        // This bit checks we have two columns
        try {
            $value->getColumn(1);
        } catch (NodeException $e) {
            return false;
        }
        // And here we check we don't have a 3rd column
        try {
            $value->getColumn(2);
        } catch (NodeException $e) {
            // Once we know the table could be a row table, we check against the pattern.
            return $this->pattern === 'rowtable:' . implode(',', $value->getColumn(0));
        }
        return false;
    }