Class Doctrine\ORM\Query\Expr\OrderBy

Expression class for building DQL Order By parts.

Methods
`public`	`__construct(string\|null $sort = null, string\|null $order = null)`	#
`public`	`add(string $sort, string\|null $order = null): void`	#
`public`	`count(): int`	#
`public`	`getParts()`	#
`public`	`__toString(): string`	#