class RBS::EnvironmentLoader

def add_collection(lockfile)
  lockfile.check_rbs_availability!
  repository.add(lockfile.fullpath)
  lockfile.gems.each_value do |gem|
    name = gem[:name]
    locked_version = gem[:version]
    if (source = gem[:source]).is_a?(Collection::Sources::Rubygems)
      # allow loading different version of a gem
      unless source.has?(name, locked_version)
        if (spec, _ = self.class.gem_sig_path(name, nil))
          RBS.logger.warn { "Loading type definition from gem `#{name}-#{spec.version}` because locked version `#{locked_version}` is unavailable. Try `rbs collection update` to fix the (potential) issue." }
          locked_version = spec.version.to_s
        end
      end
    end
    add(library: gem[:name], version: locked_version, resolve_dependencies: false)
  end
end