368   struct PACKED(1) ZipFileHeader {  struct in art::linker::ZipBuilder
369     uint32_t signature = 0x04034b50;
370     uint16_t version_needed_to_extract = 10;
371     uint16_t general_purpose_bit_flag = 0;
372     uint16_t compression_method = 0;            // 0 = store only.
373     uint16_t file_last_modification_time = 0u;
374     uint16_t file_last_modification_date = 0u;
375     uint32_t crc32;
376     uint32_t compressed_size;
377     uint32_t uncompressed_size;
378     uint16_t filename_length;
379     uint16_t extra_field_length = 0u;           // No extra fields.