Gem::Specification.reset

# File tmp/rubies/ruby-4.0.0/lib/rubygems/specification.rb, line 1184
def self.reset
  @@dirs = nil
  Gem.pre_reset_hooks.each(&:call)
  @specification_record = nil
  clear_load_cache

  unless unresolved_deps.empty?
    unresolved = unresolved_deps.filter_map do |name, dep|
      matching_versions = find_all_by_name(name)
      next if dep.latest_version? && matching_versions.any?(&:default_gem?)

      [dep, matching_versions.uniq(&:full_name)]
    end.to_h

    unless unresolved.empty?
      warn "WARN: Unresolved or ambiguous specs during Gem::Specification.reset:"
      unresolved.each do |dep, versions|
        warn "      #{dep}"

        unless versions.empty?
          warn "      Available/installed versions of this gem:"
          versions.each {|s| warn "      - #{s.version}" }
        end
      end
      warn "WARN: Clearing out unresolved specs. Try 'gem cleanup <gem>'"
      warn "Please report a bug if this causes problems."
    end

    unresolved_deps.clear
  end
  Gem.post_reset_hooks.each(&:call)
end