package okhttp3.tls.internal.der

import java.math.BigInteger
import okio.Buffer
import okio.BufferedSink
import okio.ByteString

internal class DerWriter(sink: BufferedSink) {
  /** A stack of buffers that will be concatenated once we know the length of each. */
  private val stack = mutableListOf(sink)

  /** Type hints scoped to the call stack, manipulated with [pushTypeHint] and [popTypeHint]. */

    frame.writeAll(headerBlock)

    // Check writer sends the same bytes.
    assertThat(sendHeaderFrames(false, sentHeaders)).isEqualTo(frame)

    // Reading the above frames should result in a concatenated headerBlock.
    reader.nextFrame(
      requireSettings = false,
      object : BaseTestHandler() {
        override fun headers(
          inFinished: Boolean,
          streamId: Int,