question: private boolean isNanpaNumberWithNationalPrefix ( ) { return ( currentMetadata . getCountryCode ( ) == 1 ) && ( nationalNumber . charAt ( 0 ) == '1' ) && ( nationalNumber . charAt ( 1 ) != '0' ) && ( nationalNumber . charAt ( 1 ) != '1' ) ; }
target:  Returns true if the current country is a NANPA country and the national number begins with the national prefix.