code: public boolean checkModifier(int modifierBits) {
          // Add in the "pseudo-" modifier bit PACKAGE, if needed
          long fmod = ((modifierBits & ACCESS_BITS) == 0) ?
                          modifierBits | PACKAGE :
                          modifierBits;
          return ((oneOf == 0) || ((oneOf & fmod) != 0)) &&
                  ((must & fmod) == must) &&
                  ((cannot & fmod) == 0);
      }
docs: Filter on modifier bits.
  
  @param   modifierBits    Bits as specified in the Modifier class
  
  @return                  Whether the modifierBits pass this filter.