SAP FRIEND GLOSRY documentation, setup help and example usage

ARTICLE

Friend
Term in ABAP Objects . The additions FRIENDS and LOCAL FRIENDS of statement CLASS define other classes or
interfaces as friends of the class. This means that the friends are granted access to all the class components, regardless of the visibility area or the READ-ONLY addition. In addition, friends of a class can create instances of the class without restrictions.
ABAP_MORE_INFO