question: public void addProfiles ( @ NonNull IProfile ... profiles ) { if ( mAccountHeaderBuilder . mProfiles == null ) { mAccountHeaderBuilder . mProfiles = new ArrayList < > ( ) ; } Collections . addAll ( mAccountHeaderBuilder . mProfiles , IdDistributor . checkIds ( profiles ) ) ; mAccountHeaderBuilder . updateHeaderAndList ( ) ; }
target:  Add new profiles to the existing list of profiles