// 4.
    "\n".encodeUtf8(),
  )

private val optionsDot =
  Options.of(
    // 0.
    ".".encodeUtf8(),
  )

private const val DELIMITER_DOT = 0
private const val DELIMITER_SPACE = 1
private const val DELIMITER_SEMICOLON = 2
private const val DELIMITER_HASH = 3
private const val DELIMITER_NEWLINE = 4

private val optionsType =
  Options.of(
    // 0.
    "deviation ".encodeUtf8(),

    // six-per-em space
    assertThat(parse("http://h/\u2006").encodedPath).isEqualTo("/%E2%80%86")
    // figure space
    assertThat(parse("http://h/\u2007").encodedPath).isEqualTo("/%E2%80%87")
    // punctuation space
    assertThat(parse("http://h/\u2008").encodedPath).isEqualTo("/%E2%80%88")
    // thin space
    assertThat(parse("http://h/\u2009").encodedPath).isEqualTo("/%E2%80%89")
    // hair space

   00A0; NO-BREAK SPACE
   1680; OGHAM SPACE MARK
   2000; EN QUAD
   2001; EM QUAD
   2002; EN SPACE
   2003; EM SPACE
   2004; THREE-PER-EM SPACE
   2005; FOUR-PER-EM SPACE
   2006; SIX-PER-EM SPACE
   2007; FIGURE SPACE
   2008; PUNCTUATION SPACE
   2009; THIN SPACE
   200A; HAIR SPACE
   200B; ZERO WIDTH SPACE
   202F; NARROW NO-BREAK SPACE
   205F; MEDIUM MATHEMATICAL SPACE

      // H T T P / 1 . 1   2 0 0   T e m p o r a r y   R e d i r e c t
      // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0

      // Parse protocol like "HTTP/1.1" followed by a space.
      val codeStart: Int
      val protocol: Protocol
      if (statusLine.startsWith("HTTP/1.")) {
        if (statusLine.length < 9 || statusLine[8] != ' ') {

    assertThat(Buffer().writeUtf8("abc").isProbablyUtf8()).isTrue()
    assertThat(Buffer().writeUtf8("new\r\nlines").isProbablyUtf8()).isTrue()
    assertThat(Buffer().writeUtf8("white\t space").isProbablyUtf8()).isTrue()
    assertThat(Buffer().writeByte(0x80).isProbablyUtf8()).isTrue()
    assertThat(Buffer().writeByte(0x00).isProbablyUtf8()).isFalse()
    assertThat(Buffer().writeByte(0xc0).isProbablyUtf8()).isFalse()

      ','.code.toByte() -> {
        // Consume ','.
        readByte()
        commaFound = true
      }

      ' '.code.toByte(), '\t'.code.toByte() -> {
        readByte()
        // Consume space or tab.
      }

      else -> break@loop
    }
  }
  return commaFound
}

private fun Buffer.startsWith(prefix: Byte): Boolean = !exhausted() && this[0] == prefix

/**

  fun urlEncoding() {
    val body =
      FormBody.Builder()
        .add("a+=& b", "c+=& d")
        .add("space, the", "final frontier")
        .add("%25", "%25")
        .build()
    assertThat(body.size).isEqualTo(3)
    assertThat(body.encodedName(0)).isEqualTo("a%2B%3D%26+b")
    assertThat(body.encodedName(1)).isEqualTo("space%2C+the")
    assertThat(body.encodedName(2)).isEqualTo("%2525")
    assertThat(body.name(0)).isEqualTo("a+=& b")

which is designed to persist between app restarts.

```kotlin
cache.delete()
```
 
## Pruning the Cache

Pruning the entire Cache to clear space temporarily can be done using evictAll.

```kotlin
cache.evictAll()
```

Removing individual items can be done using the urls iterator.

# Spaces should fail
http://example\sexample.com

# This should fail
http://Goo%20\sgoo%7C|.com

# U+3000 is mapped to U+0020 (space) which is disallowed
http://GOO\u00a0\u3000goo.com

# Other types of space (no-break, zero-width, zero-width-no-break) are
# name-prepped away to nothing.
# U+200B, U+2060, and U+FEFF, are ignored
http://GOO\u200b\u2060\ufeffgoo.com  s:http p:/ h:googoo.com

            encodeSet = FORM_ENCODE_SET,
            // Plus is encoded as `%2B`, space is encoded as plus.
            plusIsSpace = false,
            charset = charset,
          )
        values +=
          value.canonicalizeWithCharset(
            encodeSet = FORM_ENCODE_SET,
            // Plus is encoded as `%2B`, space is encoded as plus.
            plusIsSpace = false,
            charset = charset,