classRelationTarget

public function relationAt(
    string $sql,
    list<SqlToken> $tokens,
    int $index,
): array{name: string, sql: string, next: int, last: SqlToken}|null

public function targetAlias(
    string $sql,
    list<SqlToken> $tokens,
    int $start,
    int $end,
    string $default,
): string

public function identifierName(SqlToken $token): ?string

public function isSymbol(?SqlToken $token, string $symbol): bool