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     *     parameter.
     * @param origin when present, the [origin](http://tools.ietf.org/html/rfc6454) is typically
     *     represented as a combination of scheme, host and port. When empty, the origin is that of
     *     the `streamId`.
     * @param protocol an ALPN protocol, such as `h2`.
     * @param host an IP address or hostname.

  @get:JvmName("size")
  val size: Int
    get() = parts.size

  fun part(index: Int): Part = parts[index]

  override fun isOneShot(): Boolean {
    return parts.any { it.body.isOneShot() }
  }

  /** A combination of [type] and [boundaryByteString]. */
  override fun contentType(): MediaType = contentType

  @JvmName("-deprecated_type")
  @Deprecated(
    message = "moved to val",

      "DATA", "HEADERS", "PRIORITY", "RST_STREAM", "SETTINGS", "PUSH_PROMISE", "PING", "GOAWAY",
      "WINDOW_UPDATE", "CONTINUATION",
    )

  /**
   * Lookup table for valid flags for DATA, HEADERS, CONTINUATION. Invalid combinations are
   * represented in binary.
   */
  private val FLAGS = arrayOfNulls<String>(0x40) // Highest bit flag is 0x20.
  private val BINARY =
    Array(256) {

    assertThat(frameLog(true, 3, 10000, TYPE_DATA, 0x20))
      .isEqualTo("<< 0x00000003 10000 DATA          COMPRESSED")
  }

  /**
   * Ensures that valid flag combinations appear visually correct, and invalid show in hex.  This
   * also demonstrates how sparse the lookup table is.
   */
  @Test
  fun allFormattedFlagsWithValidBits() {

1DA75         ; valid                                  # 8.0  SIGNWRITING UPPER BODY TILTING FROM HIP JOINTS
1DA76..1DA83  ; valid                  ;      ; NV8    # 8.0  SIGNWRITING LIMB COMBINATION..SIGNWRITING LOCATION DEPTH
1DA84         ; valid                                  # 8.0  SIGNWRITING LOCATION HEAD NECK