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              "checksum": "SHA-256:10476b9c11a7a90f40883413ddfb409f505b20692e316c4e597c4c175b4be09c", 
              "host": "i686-mingw32", 
              "archiveFileName": "win32-xtensa-lx106-elf-gb404fb9-2.tar.gz", 
              "size": "153527527"
            }, 
            {
              "url": "https://github.com/esp8266/Arduino/releases/download/2.3.0/osx-xtensa-lx106-elf-gb404fb9-2.tar.gz", 
              "checksum": "SHA-256:0cf150193997bd1355e0f49d3d49711730035257bc1aee1eaaad619e56b9e4e6", 
              "host": "x86_64-apple-darwin", 
              "archiveFileName": "osx-xtensa-lx106-elf-gb404fb9-2.tar.gz", 
              "size": "35385382"
            }, 
            {
              "url": "https://github.com/esp8266/Arduino/releases/download/2.3.0/osx-xtensa-lx106-elf-gb404fb9-2.tar.gz", 
              "checksum": "SHA-256:0cf150193997bd1355e0f49d3d49711730035257bc1aee1eaaad619e56b9e4e6", 
              "host": "i386-apple-darwin", 
              "archiveFileName": "osx-xtensa-lx106-elf-gb404fb9-2.tar.gz", 
              "size": "35385382"
            }, 
            {
              "url": "https://github.com/esp8266/Arduino/releases/download/2.3.0/linux64-xtensa-lx106-elf-gb404fb9.tgz", 
              "checksum": "SHA-256:46f057fbd8b320889a26167daf325038912096d09940b2a95489db92431473b7", 
              "host": "x86_64-pc-linux-gnu", 
              "archiveFileName": "linux64-xtensa-lx106-elf-gb404fb9.tar.gz", 
              "size": "30262903"
            }, 
            {
              "url": "https://github.com/esp8266/Arduino/releases/download/2.3.0/linux32-xtensa-lx106-elf.tar.gz", 
              "checksum": "SHA-256:b24817819f0078fb05895a640e806e0aca9aa96b47b80d2390ac8e2d9ddc955a", 
              "host": "i686-pc-linux-gnu", 
              "archiveFileName": "linux32-xtensa-lx106-elf.tar.gz", 
              "size": "32734156"
            }, 
            {
              "url": "https://github.com/esp8266/Arduino/releases/download/2.3.0/linuxarm-xtensa-lx106-elf-g46f160f-2.tar.gz", 
              "checksum": "SHA-256:f693946288f2ffa17288ef75ae16fa08573993f2b0a2a5e6bc35a68dc6087443", 
              "host": "arm-linux-gnueabihf", 
              "archiveFileName": "linuxarm-xtensa-lx106-elf-g46f160f-2.tar.gz", 
              "size": "34938475"
            }
          ]
        }, 
        {
          "version": "1.20.0-26-gb404fb9", 
          "name": "xtensa-lx106-elf-gcc", 
          "systems": [
            {
              "url": "http://arduino.esp8266.com/win32-xtensa-lx106-elf-gb404fb9.tar.gz", 
              "checksum": "SHA-256:1561ec85cc58cab35cc48bfdb0d0087809f89c043112a2c36b54251a13bf781f", 
              "host": "i686-mingw32", 
              "archiveFileName": "win32-xtensa-lx106-elf-gb404fb9.tar.gz", 
              "size": "153807368"
            }, 
            {
              "url": "http://arduino.esp8266.com/osx-xtensa-lx106-elf-gb404fb9-2.tar.gz", 
              "checksum": "SHA-256:0cf150193997bd1355e0f49d3d49711730035257bc1aee1eaaad619e56b9e4e6", 
              "host": "x86_64-apple-darwin", 
              "archiveFileName": "osx-xtensa-lx106-elf-gb404fb9-2.tar.gz", 
              "size": "35385382"
            }, 
            {
              "url": "http://arduino.esp8266.com/osx-xtensa-lx106-elf-gb404fb9-2.tar.gz", 
              "checksum": "SHA-256:0cf150193997bd1355e0f49d3d49711730035257bc1aee1eaaad619e56b9e4e6", 
              "host": "i386-apple-darwin", 
              "archiveFileName": "osx-xtensa-lx106-elf-gb404fb9-2.tar.gz", 
              "size": "35385382"
            }, 
            {
              "url": "http://arduino.esp8266.com/linux64-xtensa-lx106-elf-gb404fb9.tar.gz", 
              "checksum": "SHA-256:46f057fbd8b320889a26167daf325038912096d09940b2a95489db92431473b7", 
              "host": "x86_64-pc-linux-gnu", 
              "archiveFileName": "linux64-xtensa-lx106-elf-gb404fb9.tar.gz", 
              "size": "30262903"
            }, 
            {
              "url": "http://arduino.esp8266.com/linux32-xtensa-lx106-elf.tar.gz", 
              "checksum": "SHA-256:b24817819f0078fb05895a640e806e0aca9aa96b47b80d2390ac8e2d9ddc955a", 
              "host": "i686-pc-linux-gnu", 
              "archiveFileName": "linux32-xtensa-lx106-elf.tar.gz", 
              "size": "32734156"
            }
          ]
        }, 
        {
          "version": "0.4.13", 
          "name": "esptool", 
          "systems": [
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.13/esptool-0.4.13-win32.zip", 
              "checksum": "SHA-256:17c1035aacd8f6dbfbc04ed899f5db0ceba60820592705a9c6011476ab8d1687", 
              "host": "i686-mingw32", 
              "archiveFileName": "esptool-0.4.13-win32.zip", 
              "size": "16660"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.13/esptool-0.4.13-osx.tar.gz", 
              "checksum": "SHA-256:a24a973c3b2671992a8b66f4e7c9ffd24065972f241469f45e94a0a66d118d23", 
              "host": "x86_64-apple-darwin", 
              "archiveFileName": "esptool-0.4.13-osx.tar.gz", 
              "size": "32362"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.13/esptool-0.4.13-osx.tar.gz", 
              "checksum": "SHA-256:a24a973c3b2671992a8b66f4e7c9ffd24065972f241469f45e94a0a66d118d23", 
              "host": "i386-apple-darwin", 
              "archiveFileName": "esptool-0.4.13-osx.tar.gz", 
              "size": "32362"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.13/esptool-0.4.13-linux64.tar.gz", 
              "checksum": "SHA-256:3c35f366ffdaa1328b1e96e28c9a97f60c98109095ccc18352fb5615e582a786", 
              "host": "x86_64-pc-linux-gnu", 
              "archiveFileName": "esptool-0.4.13-linux64.tar.gz", 
              "size": "15743"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.13/esptool-0.4.13-linux32.tar.gz", 
              "checksum": "SHA-256:041f661a41a2efb40c89fc34acf0059bbb5e1eb1c050efaa69af677f79c966fb", 
              "host": "i686-pc-linux-gnu", 
              "archiveFileName": "esptool-0.4.13-linux32.tar.gz", 
              "size": "14884"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.13/esptool-0.4.13-linux-armhf.tar.gz", 
              "checksum": "SHA-256:3a627e2678e0c317122543883ae8a00e82149769414b9d5733f23526fb28a423", 
              "host": "arm-linux-gnueabihf", 
              "archiveFileName": "esptool-0.4.13-linux-armhf.tar.gz", 
              "size": "13259"
            }
          ]
        }, 
        {
          "version": "0.4.12", 
          "name": "esptool", 
          "systems": [
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.12/esptool-0.4.12-win32.zip", 
              "checksum": "SHA-256:f47b3bcf7c29c7a184859bbea68c9d468cf3346ca41e202ed60a0a49d987f223", 
              "host": "i686-mingw32", 
              "archiveFileName": "esptool-0.4.12-win32.zip", 
              "size": "16537"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.12/esptool-0.4.12-osx.tar.gz", 
              "checksum": "SHA-256:8232a70611768dca49321f488e3ada29648e28aa83a6d826fcbb871aed4a9c08", 
              "host": "x86_64-apple-darwin", 
              "archiveFileName": "esptool-0.4.12-osx.tar.gz", 
              "size": "31981"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.12/esptool-0.4.12-osx.tar.gz", 
              "checksum": "SHA-256:8232a70611768dca49321f488e3ada29648e28aa83a6d826fcbb871aed4a9c08", 
              "host": "i386-apple-darwin", 
              "archiveFileName": "esptool-0.4.12-osx.tar.gz", 
              "size": "31981"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.12/esptool-0.4.12-linux64.tar.gz", 
              "checksum": "SHA-256:f7ca7666557139bda7b2130022623a004a30d20ea47e1612b9b365783f00d8cb", 
              "host": "x86_64-pc-linux-gnu", 
              "archiveFileName": "esptool-0.4.12-linux64.tar.gz", 
              "size": "15542"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.12/esptool-0.4.12-linux32.tar.gz", 
              "checksum": "SHA-256:2d9970c8574908c35656e35f433082aeb7d79c1967067d7d2cff83f5ed2acbaa", 
              "host": "i686-pc-linux-gnu", 
              "archiveFileName": "esptool-0.4.12-linux32.tar.gz", 
              "size": "14668"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.12/esptool-0.4.12-linux-armhf.tar.gz", 
              "checksum": "SHA-256:2ab4784c10020cdfc467175fe8885db702e7dd95fa5bdc428ec549257eae1a0e", 
              "host": "arm-linux-gnueabihf", 
              "archiveFileName": "esptool-0.4.12-linux-armhf.tar.gz", 
              "size": "13097"
            }
          ]
        }, 
        {
          "version": "0.4.9", 
          "name": "esptool", 
          "systems": [
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.9/esptool-0.4.9-win32.zip", 
              "checksum": "SHA-256:9c4162cedf05fcb09fd829bfb90e34ae12458365980d79525a072ff5ca44751c", 
              "host": "i686-mingw32", 
              "archiveFileName": "esptool-0.4.9-win32.zip", 
              "size": "32436"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.9/esptool-0.4.9-osx.tar.gz", 
              "checksum": "SHA-256:57938b473765723a7e6602d55973017b7719bda69bdcff4250b24fcbf7a399f5", 
              "host": "x86_64-apple-darwin", 
              "archiveFileName": "esptool-0.4.9-osx.tar.gz", 
              "size": "29310"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.9/esptool-0.4.9-osx.tar.gz", 
              "checksum": "SHA-256:57938b473765723a7e6602d55973017b7719bda69bdcff4250b24fcbf7a399f5", 
              "host": "i386-apple-darwin", 
              "archiveFileName": "esptool-0.4.9-osx.tar.gz", 
              "size": "29310"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.9/esptool-0.4.9-linux64.tar.gz", 
              "checksum": "SHA-256:fab9d1be8a648bea6728ad5c9d18ce972508187700cf90baf1897ac9cdf4db15", 
              "host": "x86_64-pc-linux-gnu", 
              "archiveFileName": "esptool-0.4.9-linux64.tar.gz", 
              "size": "15564"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.9/esptool-0.4.9-linux32.tar.gz", 
              "checksum": "SHA-256:bc4444d73d59be74608be5e1431353a0a9ae9e308e99c76a271d68a6ae145b7b", 
              "host": "i686-pc-linux-gnu", 
              "archiveFileName": "esptool-0.4.9-linux32.tar.gz", 
              "size": "15984"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.9/esptool-0.4.9-linux-armhf.tar.gz", 
              "checksum": "SHA-256:d0364492599d90b8305125f8212de5be05397e4efde2fc7d0ed3676bb7018164", 
              "host": "arm-linux-gnueabihf", 
              "archiveFileName": "esptool-0.4.9-linux-armhf.tar.gz", 
              "size": "13763"
            }
          ]
        }, 
        {
          "version": "0.4.8", 
          "name": "esptool", 
          "systems": [
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.8/esptool-0.4.8-win32.zip", 
              "checksum": "SHA-256:8d09cb0df6234c2a0562389ceedd11482b44a3f538695f9a4df80f9f10411ece", 
              "host": "i686-mingw32", 
              "archiveFileName": "esptool-0.4.8-win32.zip", 
              "size": "32192"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.8/esptool-0.4.8-osx.tar.gz", 
              "checksum": "SHA-256:2bcbf19934543fb06c505b2a595b68a76e4cab8e3d8968a4d1802195c87126cf", 
              "host": "x86_64-apple-darwin", 
              "archiveFileName": "esptool-0.4.8-osx.tar.gz", 
              "size": "28798"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.8/esptool-0.4.8-osx.tar.gz", 
              "checksum": "SHA-256:2bcbf19934543fb06c505b2a595b68a76e4cab8e3d8968a4d1802195c87126cf", 
              "host": "i386-apple-darwin", 
              "archiveFileName": "esptool-0.4.8-osx.tar.gz", 
              "size": "28798"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.8/esptool-0.4.8-linux64.tar.gz", 
              "checksum": "SHA-256:1cd9a6014bbbc37ba6dc249f4fc027f0ca9bbc6dd0e203ebc7d146dfd78a6e78", 
              "host": "x86_64-pc-linux-gnu", 
              "archiveFileName": "esptool-0.4.8-linux64.tar.gz", 
              "size": "15479"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.8/esptool-0.4.8-linux32.tar.gz", 
              "checksum": "SHA-256:b0d6e71e6f41d4ed7e167bb4b3f4f0b1b3e49d69af50ab7fbe952cbfed83f164", 
              "host": "i686-pc-linux-gnu", 
              "archiveFileName": "esptool-0.4.8-linux32.tar.gz", 
              "size": "15444"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.8/esptool-0.4.8-linux-armhf.tar.gz", 
              "checksum": "SHA-256:e9c4dfb81781610556a6af0377c8efc7cde359e0e2cda2fd48e0a32bae10f506", 
              "host": "arm-linux-gnueabihf", 
              "archiveFileName": "esptool-0.4.8-linux-armhf.tar.gz", 
              "size": "13630"
            }
          ]
        }, 
        {
          "version": "0.4.5", 
          "name": "esptool", 
          "systems": [
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.5/esptool-0.4.5-win32.zip", 
              "checksum": "SHA-256:1b0a7d254e74942d820a09281aa5dc2af1c8314ae5ee1a5abb0653d0580e531b", 
              "host": "i686-mingw32", 
              "archiveFileName": "esptool-0.4.5-win32.zip", 
              "size": "17408"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.5/esptool-0.4.5-osx.tar.gz", 
              "checksum": "SHA-256:924d31c64f4bb9f748e70806dafbabb15e5eb80afcdde33715f3ec884be1652d", 
              "host": "x86_64-apple-darwin", 
              "archiveFileName": "esptool-0.4.5-osx.tar.gz", 
              "size": "11359"
            }, 
            {
              "url": "http://arduino.esp8266.com/esptool-0.4.5-1-gfaa5794-osx.tar.gz", 
              "checksum": "SHA-256:722142071f6cf4d8c02dea42497a747e06abf583d86137a6a256b7db71dc61f6", 
              "host": "i386-apple-darwin", 
              "archiveFileName": "esptool-0.4.5-1-gfaa5794-osx.tar.gz", 
              "size": "20751"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.5/esptool-0.4.5-linux64.tar.gz", 
              "checksum": "SHA-256:4ce799e13fbd89f8a8f08a08db77dc3b1362c4486306fe1b3801dee80cfa3203", 
              "host": "x86_64-pc-linux-gnu", 
              "archiveFileName": "esptool-0.4.5-linux64.tar.gz", 
              "size": "12789"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.5/esptool-0.4.5-linux32.tar.gz", 
              "checksum": "SHA-256:a7a2c3200786d7396e8cafca1b9aefe56db8ec1dab5e9163d4a19358232a7d87", 
              "host": "i686-pc-linux-gnu", 
              "archiveFileName": "esptool-0.4.5-linux32.tar.gz", 
              "size": "12055"
            }
          ]
        }, 
        {
          "version": "0.4.6", 
          "name": "esptool", 
          "systems": [
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.6/esptool-0.4.6-win32.zip", 
              "checksum": "SHA-256:0248bf78514a3195f583e29218ca7828a66e13c6e5545a078f1c1257033e4927", 
              "host": "i686-mingw32", 
              "archiveFileName": "esptool-0.4.6-win32.zip", 
              "size": "17481"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.6/esptool-0.4.6-osx.tar.gz", 
              "checksum": "SHA-256:0fe87ba7e29ee90a9fc72492aada8c0796f9e8f8a1c594b6b26cee2610d09bb3", 
              "host": "x86_64-apple-darwin", 
              "archiveFileName": "esptool-0.4.6-osx.tar.gz", 
              "size": "20926"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.6/esptool-0.4.6-osx.tar.gz", 
              "checksum": "SHA-256:0fe87ba7e29ee90a9fc72492aada8c0796f9e8f8a1c594b6b26cee2610d09bb3", 
              "host": "i386-apple-darwin", 
              "archiveFileName": "esptool-0.4.6-osx.tar.gz", 
              "size": "20926"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.6/esptool-0.4.6-linux64.tar.gz", 
              "checksum": "SHA-256:f9f456e9a42bb2597126c513cb8865f923fb978865d4838b9623d322216b74d0", 
              "host": "x86_64-pc-linux-gnu", 
              "archiveFileName": "esptool-0.4.6-linux64.tar.gz", 
              "size": "12885"
            }, 
            {
              "url": "https://github.com/igrr/esptool-ck/releases/download/0.4.6/esptool-0.4.6-linux32.tar.gz", 
              "checksum": "SHA-256:85275ca03a82bfc456f5a84e86962ca1e470ea2e168829c38ca29ee668831d93", 
              "host": "i686-pc-linux-gnu", 
              "archiveFileName": "esptool-0.4.6-linux32.tar.gz", 
              "size": "13417"
            }
          ]
        }, 
        {
          "version": "0.1.2", 
          "name": "mkspiffs", 
          "systems": [
            {
              "url": "https://github.com/igrr/mkspiffs/releases/download/0.1.2/mkspiffs-0.1.2-windows.zip", 
              "checksum": "SHA-256:0a29119b8458b61a877408f7995e4944623a712e0d313a2c2f76af9ab55cc9f2", 
              "host": "i686-mingw32", 
              "archiveFileName": "mkspiffs-0.1.2-windows.zip", 
              "size": "230802"
            }, 
            {
              "url": "https://github.com/igrr/mkspiffs/releases/download/0.1.2/mkspiffs-0.1.2-osx.tar.gz", 
              "checksum": "SHA-256:df656fae21a41c1269ea50cb53752dcaf6a4e1437255f3a9fb50b4025549b58e", 
              "host": "x86_64-apple-darwin", 
              "archiveFileName": "mkspiffs-0.1.2-osx.tar.gz", 
              "size": "115091"
            }, 
            {
              "url": "https://github.com/igrr/mkspiffs/releases/download/0.1.2/mkspiffs-0.1.2-osx.tar.gz", 
              "checksum": "SHA-256:df656fae21a41c1269ea50cb53752dcaf6a4e1437255f3a9fb50b4025549b58e", 
              "host": "i386-apple-darwin", 
              "archiveFileName": "mkspiffs-0.1.2-osx.tar.gz", 
              "size": "115091"
            }, 
            {
              "url": "https://github.com/igrr/mkspiffs/releases/download/0.1.2/mkspiffs-0.1.2-linux64.tar.gz", 
              "checksum": "SHA-256:1a1dd81b51daf74c382db71b42251757ca4136e8762107e69feaa8617bac315f", 
              "host": "x86_64-pc-linux-gnu", 
              "archiveFileName": "mkspiffs-0.1.2-linux64.tar.gz", 
              "size": "46281"
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