LIMIT

Specify the maximum number of rows to return.

SELECT Id, Name
FROM Account
LIMIT 1000

public inherited sharing class AccountSelector implements SOQL.Selector {

    public static SQOL query() {
        return SQOL.of(Account.SObjectType)
            .with(Account.Id, Account.Name);
    }
}

public with sharing class MyController {

    public static List<Account> getAccountsWithLimit() {
        return AccountSelector.query()
            .setLimit(1000)
            .toList();
    }
}