// SELECT Id FROM Account
List<Account> accounts = SOQL.of(Account.SObjectType).toList();

// SELECT Id, Name, Industry FROM Account
List<Account> accounts = SOQL.of(Account.SObjectType)
   .with(Account.Id, Account.Name, Account.Industry)
   .toList();

// SELECT Id, Name, UserType FROM Profile WHERE Name = 'System Administrator'
Profile systemAdminProfile = (Profile) SOQLCache.of(Profile.SObjectType)
   .with(Profile.Id, Profile.Name, Profile.UserType)
   .whereEqual(Profile.Name, 'System Administrator')
   .toObject();

public inherited sharing class SOQL_Contact extends SOQL implements SOQL.Selector {
    public static SOQL_Contact query() {
        return new SOQL_Contact();
    }

    private SOQL_Contact() {
        super(Contact.SObjectType);
        // default settings
        with(Contact.Id, Contact.Name, Contact.AccountId)
            .systemMode()
            .withoutSharing();
    }

    public SOQL_Contact byAccountId(Id accountId) {
        whereAre(Filter.with(Contact.AccountId).equal(accountId));
        return this;
    }
}

public with sharing class ExampleController {
    @AuraEnabled
    public static List<Contact> getAccountContacts(Id accountId) {
        return SOQL_Contact.query()
            .byRecordType('Partner')
            .byAccountId(accountId)
            .with(Contact.Email)
            .toList();
    }
}

public with sharing class SOQL_ProfileCache extends SOQLCache implements SOQLCache.Selector {
    public static SOQL_ProfileCache query() {
        return new SOQL_ProfileCache();
    }

    private SOQL_ProfileCache() {
        super(Profile.SObjectType);
        cacheInOrgCache();
        with(Profile.Id, Profile.Name, Profile.UserType);
    }

    public override SOQL.Queryable initialQuery() {
        return SOQL.of(Profile.SObjectType);
    }

    public SOQL_ProfileCache byName(String name) {
        whereEqual(Profile.Name, name);
        return this;
    }
}