question: public void trimToSize ( ) { if ( names != null ) names . trimToSize ( ) ; if ( requiredChildren != null ) { requiredChildren . trimToSize ( ) ; for ( GazEntry nextkey : requiredChildren . values ( ) ) { nextkey . trimToSize ( ) ; } } }
target:  when we are done loading up all the gazetteers, we will trim all the collections down to size to save memory.