# File lib/bundler/shared_helpers.rb, line 142
    def major_deprecation(major_version, message)
      if Bundler.bundler_major_version >= major_version
        require "bundler/errors"
        raise DeprecatedError, "[REMOVED FROM #{major_version}.0] #{message}"
      end

      return unless prints_major_deprecations?
      @major_deprecation_ui ||= Bundler::UI::Shell.new("no-color" => true)
      ui = Bundler.ui.is_a?(@major_deprecation_ui.class) ? Bundler.ui : @major_deprecation_ui
      ui.warn("[DEPRECATED FOR #{major_version}.0] #{message}")
    end