apply {
    this.onlyIfCached = true
  }

internal fun CacheControl.Builder.commonNoTransform() =
  apply {
    this.noTransform = true
  }

internal fun CacheControl.Builder.commonImmutable() =
  apply {
    this.immutable = true
  }

internal fun CacheControl.Companion.commonParse(headers: Headers): CacheControl {
  var noCache = false
  var noStore = false
  var maxAgeSeconds = -1