class Solargraph::RbsMap::CoreMap

def initialize
  cache = Cache.load('core.ser')
  if cache
    pins.replace cache
  else
    loader = RBS::EnvironmentLoader.new(repository: RBS::Repository.new(no_stdlib: false))
    RBS::Environment.from_loader(loader).resolve_type_names
    load_environment_to_pins(loader)
    pins.concat RbsMap::CoreFills::ALL
    processed = ApiMap::Store.new(pins).pins.reject { |p| p.is_a?(Solargraph::Pin::Reference::Override) }
    processed.each { |pin| pin.source = :rbs }
    pins.replace processed
    Cache.save('core.ser', pins)
  end
end