docs: public long convertLocalToUTC(long instantLocal, boolean strict, long originalInstantUTC) {
          int offsetOriginal = getOffset(originalInstantUTC);
          long instantUTC = instantLocal - offsetOriginal;
          int offsetLocalFromOriginal = getOffset(instantUTC);
          if (offsetLocalFromOriginal == offsetOriginal) {
              return instantUTC;
          }
          return convertLocalToUTC(instantLocal, strict);
      }