Method not available on this version
This method is only available on newer versions.
The first available version (v2_6_3) is shown here.
api_fetchers()
protected
No documentation available.
# File lib/bundler/source/rubygems.rb, line 381
def api_fetchers
fetchers.select {|f| f.use_api && f.fetchers.first.api_fetcher? }
end