type EleventyPluginFontSubsettingOptions = {
  // dist is the destination path for the subset fonts, when set 11ty
  // is configured to addPassthroughCopy this path. If not set then
  // the subset fonts will be output in their source path dir.
  dist?: string

  // enabled when set to false will disable running of the plugin, this
  // is useful for programmatically deciding which environment you
  // want font subsetting to run.
  enabled?: boolean

  // When set to true will disable informational output from pyftsubset.
  // Defaults to false.
  quiet?: boolean

  // srcFiles is a list of source file pathnames, it must contain at
  // least one item.
  srcFiles: Array<string>

  // cache is an object able to store and retrieve values with a TTL.
  // If not set then the plugin will default to an in memory cache.
  cache?: CacheInterface
}

interface CacheInterface {
  has(key: string): any;

  get(key: string): any;

  set(key: string, value: any, ttl?: number)
}

export {EleventyPluginFontSubsettingOptions, CacheInterface};