}

	// check for proceeding surrogate pair
	c = d.next()
	if !utf16.IsSurrogate(r) || c != '\\' {
		d.scratch.addRune(r)
		goto scan
	}
	if c = d.next(); c != 'u' {
		d.scratch.addRune(r)
		goto scan_esc
	}

	r2 := d.u4()
	if r2 < 0 {
		return "", d.mkError(ErrSyntax, "in unicode escape sequence")
	}

	// write surrogate pair
	d.scratch.addRune(utf16.DecodeRune(r, r2))

                        new SimpleOptionalitySelector(), new ManagedScopeDeriver(getScopeManager())),
                new ManagedDependencyContextRefiner(getScopeManager()));
    }

    /**
     * This method produces "surrogate" type registry that is static: it aims users that want to use
     * Maven-Resolver without involving Maven Core and related things.
     * <p>

	var (
		counter int
		mv      *MetaValue
		body    = `{
  "1": {
    "bio": "bada bing bada boom",
    "id": 0,
    "name": "Roberto",
    "nested1": {
      "bio": "utf16 surrogate (\ud834\udcb2)\n\u201cutf 8\u201d",
      "id": 1.5,
      "name": "Roberto*Maestro",
      "nested2": { "nested2arr": [0,1,2], "nested3": {
        "nested4": { "depth": "recursion" }}
			}
		}
  },
  "2": {

   * for use with it (such as all-ASCII text) and for simple debugging text. When using this method,
   * consider the following:
   *
   * <ul>
   *   <li>it may split surrogate pairs
   *   <li>it may split characters and combining characters
   *   <li>it does not consider word boundaries
   *   <li>if truncating for display to users, there are other considerations that must be taken

    }
  }

  /**
   * This verifies that putUnencodedChars(String) and hashUnencodedChars(String) are equivalent,
   * even for funny strings composed by (possibly unmatched, and mostly illegal) surrogate
   * characters. (But doesn't test that they do the right thing - just their consistency).
   */
  private static void assertHashStringWithSurrogatesEquivalence(
      HashFunction hashFunction, Random random) {

    }
  }

  /**
   * This verifies that putUnencodedChars(String) and hashUnencodedChars(String) are equivalent,
   * even for funny strings composed by (possibly unmatched, and mostly illegal) surrogate
   * characters. (But doesn't test that they do the right thing - just their consistency).
   */
  private static void assertHashStringWithSurrogatesEquivalence(
      HashFunction hashFunction, Random random) {

		{"☻x\xe2\x98x", '�', len("☻x")},

		// Invalid rune values should never match.
		{"a☺b☻c☹d\xe2\x98�\xff�\xed\xa0\x80", -1, -1},
		{"a☺b☻c☹d\xe2\x98�\xff�\xed\xa0\x80", 0xD800, -1}, // Surrogate pair
		{"a☺b☻c☹d\xe2\x98�\xff�\xed\xa0\x80", utf8.MaxRune + 1, -1},

		// Test the cutover to bytealg.Index when it is triggered in
		// the middle of rune that contains consecutive runs of equal bytes.

by construction. The escapes <code>\u</code> and <code>\U</code>
represent Unicode code points so within them some values are illegal,
in particular those above <code>0x10FFFF</code> and surrogate halves.
</p>

<p>
After a backslash, certain single-character escapes represent special values:
</p>

<pre class="grammar">
\a   U+0007 alert or bell
\b   U+0008 backspace
\f   U+000C form feed

D7FC..D7FF    ; disallowed                             # NA   <reserved-D7FC>..<reserved-D7FF>
D800..DFFF    ; disallowed                             # 2.0  <surrogate-D800>..<surrogate-DFFF>
E000..F8FF    ; disallowed                             # 1.1  <private-use-E000>..<private-use-F8FF>
F900          ; mapped                 ; 8C48          # 1.1  CJK COMPATIBILITY IDEOGRAPH-F900

    pos: Int,
    limit: Int,
  ): List<Int> {
    val result = mutableListOf<Int>()
    var i = pos
    while (i < limit) {
      val c = this[i]
      result +=
        when {
          c.isSurrogate() -> {
            val low = (if (i + 1 < limit) this[i + 1] else '\u0000')
            if (c.isLowSurrogate() || !low.isLowSurrogate()) {
              '?'.code
            } else {
              i++