class ActiveSupport::Cache::Store

def delete_multi(names, options = nil)

Options are passed to the underlying cache implementation.

entries.
Deletes multiple entries in the cache. Returns the number of deleted 
def delete_multi(names, options = nil)
  return 0 if names.empty?
  options = merged_options(options)
  names.map! { |key| normalize_key(key, options) }
  instrument_multi :delete_multi, names do
    delete_multi_entries(names, **options)
  end
end