Storm\Drivers\Base\Relational\Expressions\Expression::Literal PHP Method

    public static function Literal($String)
    {
        return new LiteralExpression($String);
    }

 public function MapCastExpression($CastType, CoreExpression $CastValueExpression)
 {
     switch ($CastType) {
         case O\Cast::Boolean:
             return Expression::Conditional($CastValueExpression, Expression::Constant(1), Expression::Constant(0));
         case O\Cast::Double:
             return Expression::BinaryOperation($CastValueExpression, O\Binary::Addition, Expression::Literal('0.0'));
         default:
             return Expression::Cast($CastType, $CastValueExpression);
     }
 }