code: public Optional<SectionHeader> maybeGetSectionHeaderByOffset(long fileOffset) {
          List<SectionHeader> headers = table.getSectionHeaders();
          for (SectionHeader header : headers) {
              PhysicalLocation loc = getPhysicalSectionLocation(header);
              if (addressIsWithin(loc, fileOffset)) {
                  return Optional.of(header);
              }
          }
          return Optional.absent();
      }
docs: Returns the section entry of the section table the offset is pointing
  into.
  
  @param fileOffset
  the file offset
  @return the {@link SectionHeader} of the section the offset is pointing
  into