var wg sync.WaitGroup        // outstanding fetches
var urlq = make(chan string) // URLs to crawl

// urlFrag is a URL and its optional #fragment (without the #)
type urlFrag struct {
	url, frag string
}

var (
	mu          sync.Mutex
	crawled     = make(map[string]bool)      // URL without fragment -> true
	neededFrags = make(map[urlFrag][]string) // URL#frag -> who needs it
)

  fun toJavaNetUrl() {
    val httpUrl = "http://username:password@host/path?query#fragment".toHttpUrl()
    val javaNetUrl = httpUrl.toUrl()
    assertThat(javaNetUrl.toString())
      .isEqualTo("http://username:password@host/path?query#fragment")
  }

  @Test
  fun toUri() {
    val httpUrl = "http://username:password@host/path?query#fragment".toHttpUrl()
    val uri = httpUrl.toUri()
    assertThat(uri.toString())

      ) {
        builder.fragment("a${value}z")
      }

      override operator fun get(url: HttpUrl): String {
        val fragment = url.fragment
        return fragment!!.substring(1, fragment.length - 1)
      }
    }, ;

    abstract fun urlString(value: String): String

    abstract fun encodedValue(url: HttpUrl): String

    abstract operator fun set(
      builder: HttpUrl.Builder,

external Layer Source(s) # Member of cycle Classes using : uses: true uses: Packages using : uses: true uses: Classes of cycle : Best fragmenter(s) of cycle : Center classes of cycle : Packages of cycle : Best fragmenter(s) of cycle : Center packages of cycle : cursor:pointer; javascript:showTable(" ",""," ; ") cursor:pointer; javascript:showTable(" ","Name,Maximum fragment size,Eccentricity"," , , ; ") <div class='link' onclick='javascript:window.opener.location.href=\"# \"'> </div> % # ( ) # ( ) # (...

 * query as the single string, or as individual name-value parameters. With name-value parameters
 * the values are optional and names may be repeated.
 *
 * ### Fragment
 *
 * The fragment is optional: it can be null, empty, or non-empty. Unlike host, port, path, and
 * query the fragment is not sent to the webserver: it's private to the client.
 *
 * ## Encoding
 *

    val url =
      parse("http://host/#fragment")
        .newBuilder()
        .fragment(null)
        .build()
    assertThat(url.toString()).isEqualTo("http://host/")
    assertThat(url.fragment).isNull()
    assertThat(url.encodedFragment).isNull()
  }

  @Test
  fun clearEncodedFragment() {
    val url =
      parse("http://host/#fragment")
        .newBuilder()

        int have = this.handle.sendrecv(buf, off, length, inB, getMaxRecv());

        int fraglen = Encdec.dec_uint16le(inB, 8);
        if ( fraglen > getMaxRecv() ) {
            throw new IOException("Unexpected fragment length: " + fraglen);
        }

        while ( have < fraglen ) {
            int r = this.handle.recv(inB, have, fraglen - have);
            if ( r == 0 ) {
                throw new IOException("Unexpected EOF");

//
//	var spd sparseDatas = []sparseEntry{
//		{Offset: 2,  Length: 5},  // Data fragment for 2..6
//		{Offset: 18, Length: 3},  // Data fragment for 18..20
//	}
//	var sph sparseHoles = []sparseEntry{
//		{Offset: 0,  Length: 2},  // Hole fragment for 0..1
//		{Offset: 7,  Length: 11}, // Hole fragment for 7..17
//		{Offset: 21, Length: 4},  // Hole fragment for 21..24
//	}
//

    public static final UUID DCERPC_UUID_SYNTAX_NDR = new UUID("8a885d04-1ceb-11c9-9fe8-08002b104860");

    public static final int DCERPC_FIRST_FRAG      = 0x01; /* First fragment */
    public static final int DCERPC_LAST_FRAG       = 0x02; /* Last fragment */
    public static final int DCERPC_PENDING_CANCEL  = 0x04; /* Cancel was pending at sender */
    public static final int DCERPC_RESERVED_1      = 0x08;

    public static final UUID DCERPC_UUID_SYNTAX_NDR = new UUID("8a885d04-1ceb-11c9-9fe8-08002b104860");

    public static final int DCERPC_FIRST_FRAG = 0x01; /* First fragment */
    public static final int DCERPC_LAST_FRAG = 0x02; /* Last fragment */
    public static final int DCERPC_PENDING_CANCEL = 0x04; /* Cancel was pending at sender */
    public static final int DCERPC_RESERVED_1 = 0x08;