public fun close ()V
	public final fun delete ()V
	public final fun directory ()Ljava/io/File;
	public final fun directoryPath ()Lokio/Path;
	public final fun evictAll ()V
	public fun flush ()V
	public final fun hitCount ()I
	public final fun initialize ()V
	public final fun isClosed ()Z
	public static final fun key (Lokhttp3/HttpUrl;)Ljava/lang/String;
	public final fun maxSize ()J
	public final fun networkCount ()I

            packageFqName = packageOrClass.packageFqName
        }
    }

    fun getRegularClass(type: ConeKotlinType?): FirRegularClass? {
        return type?.toRegularClassSymbol(firSession)?.fir
    }

    fun toClassSymbol(classId: ClassId) =
        firSession.symbolProvider.getClassLikeSymbolByClassId(classId)

    fun convertToImportableName(callableSymbol: FirCallableSymbol<*>): FqName? =

        Request(
          url = server.url("/foo"),
          body =
            object : RequestBody() {
              override fun contentType(): MediaType = "text/plain; charset=utf-8".toMediaType()

              override fun contentLength(): Long = postBytes.size.toLong()

              override fun writeTo(sink: BufferedSink) {
                sink.write(postBytes)
              }
            },
        ),
      )

            // cannot do so:
            // ```
            // fun x(c: Char) {}
            // fun call(x: kotlin.Int) {
            //   operator fun Int.invoke(a: Int) {}
            //   operator fun Int.invoke(b: Boolean) {}
            //   <expr>x()</expr>
            // }
            // ```

  private fun createNewCache() {
    createNewCacheWithSize(Int.MAX_VALUE)
  }

  private fun createNewCacheWithSize(maxSize: Int) {
    cache =
      DiskLruCache(filesystem, cacheDir, appVersion, 2, maxSize.toLong(), taskRunner).also {
        toClose.add(it)
      }
    synchronized(cache) { cache.initialize() }
  }

  fun setUp(
    baseFilesystem: FileSystem,

     * (either the origin server, cache, or both).
     */
    fun interceptors(): MutableList<Interceptor> = interceptors

    fun addInterceptor(interceptor: Interceptor) =
      apply {
        interceptors += interceptor
      }

    @JvmName("-addInterceptor") // Prefix with '-' to prevent ambiguous overloads from Java.
    inline fun addInterceptor(crossinline block: (chain: Interceptor.Chain) -> Response) =

      object : PushObserver {
        override fun onRequest(
          streamId: Int,
          requestHeaders: List<Header>,
        ) = false

        override fun onHeaders(
          streamId: Int,
          responseHeaders: List<Header>,
          last: Boolean,
        ) = false

        override fun onData(
          streamId: Int,
          source: BufferedSource,
          byteCount: Int,