code: private static char asciiCaseMap(char b, boolean uppercase) {
          if(uppercase) {
              if(SMALL_A<=b && b<=SMALL_Z) {
                  b-=(SMALL_A-CAPITAL_A);
              }
          } else {
              if(CAPITAL_A<=b && b<=CAPITAL_Z) {
                  b+=(SMALL_A-CAPITAL_A);
              }
          }
          return b;
      }
docs: /CLOVER:OFF