Important: #79610 - Change Signature And Return Value For doesRecordExist_pageLookUp

See Issue #79610

Description

Method doesRecordExist_pageLookUp() of class DataHandler has been changed. The signature and return value has been changed as a preparation for more optimisations in the class DataHandler.

Impact

None since the usages of doesRecordExist_pageLookUp should be limited to the class DataHandler - see also Issue #77391.