class Byebug::Setting

def self.find(shortcut)
  abbr = shortcut =~ /^no/ ? shortcut[2..-1] : shortcut
  matches = settings.select do |key, value|
    value.boolean? ? key =~ /#{abbr}/ : key =~ /#{shortcut}/
  end
  matches.size == 1 ? matches.keys.first : nil
end