Gem::LocalRemoteOptions#add_bulk_threshold_option

# File tmp/rubies/ruby-3.0.5/lib/rubygems/local_remote_options.rb, line 66
def add_bulk_threshold_option
  add_option(:"Local/Remote", '-B', '--bulk-threshold COUNT',
             "Threshold for switching to bulk",
             "synchronization (default #{Gem.configuration.bulk_threshold})") do
    |value, options|
    Gem.configuration.bulk_threshold = value.to_i
  end
end