compositeURLs
space-separated list of URLs. Do not combine URLs across incompatible releases.
Some older values:
#releng
https://download.eclipse.org/webtools/downloads/drops/R3.19.0/R-3.19.0-20200828030223/repositoryunittests/
https://download.eclipse.org/webtools/downloads/drops/R3.18.0/R-3.18.0-20200605032700/repositoryunittests/
https://download.eclipse.org/webtools/downloads/drops/R3.17.0/R-3.17.0-20200306035042/repositoryunittests/
https://download.eclipse.org/webtools/downloads/drops/R3.16.0/R-3.16.0-20191210070716/repositoryunittests/
https://download.eclipse.org/webtools/downloads/drops/R3.15.0/R-3.15.0-20190830034720/repositoryunittests/
https://download.eclipse.org/webtools/downloads/drops/R3.14.0/R-3.14.0-20190612230649/repositoryunittests/
https://download.eclipse.org/webtools/downloads/drops/R3.13.0/R-3.13.0-20190308131645/repositoryunittests/
https://download.eclipse.org/webtools/downloads/drops/R3.12.0/R-3.12.0-20181130055351/repositoryunittests/
https://archive.eclipse.org/webtools/downloads/drops/R3.11.0/R-3.11.0-20180910170749/repositoryunittests/
https://archive.eclipse.org/webtools/downloads/drops/R3.10.0/R-3.10.0-20180611164516/repositoryunittests/
https://download.eclipse.org/webtools/downloads/drops/R3.28.0/R-3.28.0-20221120050827/repository/
https://download.eclipse.org/webtools/downloads/drops/R3.28.0/R-3.28.0-20221120050827/repositoryunittests/
https://download.eclipse.org/webtools/downloads/drops/R3.27.0/R-3.27.0-20220829002010/repository
https://download.eclipse.org/webtools/downloads/drops/R3.27.0/R-3.27.0-20220829002010/repositoryunittests/
https://download.eclipse.org/webtools/downloads/drops/R3.26.0/R-3.26.0-20220526191850/repository
https://download.eclipse.org/webtools/downloads/drops/R3.26.0/R-3.26.0-20220526191850/repositoryunittests/
https://download.eclipse.org/webtools/downloads/drops/R3.25.0/R-3.25.0-20220224093948/repository
https://download.eclipse.org/webtools/downloads/drops/R3.25.0/R-3.25.0-20220224093948/repositoryunittests/
https://download.eclipse.org/webtools/downloads/drops/R3.24.0/R-3.24.0-20211122101137/repository
https://download.eclipse.org/webtools/downloads/drops/R3.24.0/R-3.24.0-20211122101137/repositoryunittests/
#2021-06
https://download.eclipse.org/webtools/downloads/drops/R3.22.0/R-3.22.0-20210612170523/repository/
#2021-03
https://download.eclipse.org/webtools/downloads/drops/R3.21.0/R-3.21.0-20210304100654/repository/
#2020-12
https://download.eclipse.org/webtools/downloads/drops/R3.20.0/R-3.20.0-20201201143606/repository/
#2020-09
https://download.eclipse.org/webtools/downloads/drops/R3.19.0/R-3.19.0-20200828030223/repository/
#2020-06
https://download.eclipse.org/webtools/downloads/drops/R3.18.0/R-3.18.0-20200605032700/repository/
#2020-03
https://download.eclipse.org/webtools/downloads/drops/R3.17.0/R-3.17.0-20200306035042/repository/
#2019-12
https://download.eclipse.org/webtools/downloads/drops/R3.16.0/R-3.16.0-20191210070716/repository/
#2019-09
https://download.eclipse.org/webtools/downloads/drops/R3.15.0/R-3.15.0-20190830034720/repository/
#2019-06
https://download.eclipse.org/webtools/downloads/drops/R3.14.0/R-3.14.0-20190612230649/repository/
#2019-03
https://download.eclipse.org/webtools/downloads/drops/R3.13.0/R-3.13.0-20190308131645/repository/
#2018-12
https://download.eclipse.org/webtools/downloads/drops/R3.12.0/R-3.12.0-20181130055351/repository/
#2018-09
https://download.eclipse.org/webtools/downloads/drops/R3.11.0/R-3.11.0-20180910170749/repository/
#photon
http://download.eclipse.org/webtools/downloads/drops/R3.10.0/R-3.10.0-20180611164516/repository/
#oxygen
http://download.eclipse.org/webtools/downloads/drops/R3.9.5/R-3.9.5-20180409100740/repository/
http://download.eclipse.org/webtools/downloads/drops/R3.9.4/R-3.9.4-20180329013015/repository/
http://download.eclipse.org/webtools/downloads/drops/R3.9.3/R-3.9.3-20180302093744/repository/
http://download.eclipse.org/webtools/downloads/drops/R3.9.2/R-3.9.2-20171201000141/repository/
http://download.eclipse.org/webtools/downloads/drops/R3.9.1a/R-3.9.1a-20171004113814/repository/
http://download.eclipse.org/webtools/downloads/drops/R3.9.1/R-3.9.1-20170912000144/repository/
http://download.eclipse.org/webtools/downloads/drops/R3.9.0/R-3.9.0-20170613094504/repository/
#neon
http://archive.eclipse.org/webtools/downloads/drops/R3.8/R3.8.2/R-3.8.2-20170308000057/repository/
http://archive.eclipse.org/webtools/downloads/drops/R3.8/R3.8.1/R-3.8.1-20160912100321/repository/
http://archive.eclipse.org/webtools/downloads/drops/R3.8/R3.8.0/R-3.8.0-20160608130753/repository/
#mars
http://archive.eclipse.org/webtools/downloads/drops/R3.7/R3.7.0/R-3.7.0-20150609111814/repository/
http://archive.eclipse.org/webtools/downloads/drops/R3.7/R3.7.1/R-3.7.1-20150915020029/repository/
http://download.eclipse.org/webtools/patches/drops/R3.7.1/P-3.7.1-20151211112237/repository/
http://archive.eclipse.org/webtools/downloads/drops/R3.7/R3.7.2/R-3.7.2-20160217020110/repository/
#luna
http://archive.eclipse.org/webtools/downloads/drops/R3.6/R3.6.2/R-3.6.2-20141030155022/repository/
http://archive.eclipse.org/webtools/downloads/drops/R3.6/R3.6.1/R-3.6.1-20140912000031/repository/
http://archive.eclipse.org/webtools/downloads/drops/R3.6/R3.6.0/R-3.6.0-20140602160322/repository/
repodir
http://download.eclipse.org/webtools/repository/${repodir}