): Boolean {
    try {
      source.require(9) // Frame header size.
    } catch (e: EOFException) {
      return false // This might be a normal socket close.
    }

    //  0                   1                   2                   3
    //  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 1
    // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
    // |                 Length (24)                   |

   011E; 011F; Case map
   0120; 0121; Case map
   0122; 0123; Case map
   0124; 0125; Case map
   0126; 0127; Case map
   0128; 0129; Case map
   012A; 012B; Case map
   012C; 012D; Case map
   012E; 012F; Case map
   0130; 0069 0307; Case map
   0132; 0133; Case map
   0134; 0135; Case map
   0136; 0137; Case map
   0139; 013A; Case map
   013B; 013C; Case map
   013D; 013E; Case map
   013F; 0140; Case map

val kotlinVersion = providers.gradleProperty("buildKotlinVersion")
    .getOrElse(embeddedKotlinVersion)

dependencies {
    constraints {
        api("org.gradle.guides:gradle-guides-plugin:0.23")
        api("org.apache.ant:ant:1.10.13") // Bump the version brought in transitively by gradle-guides-plugin
        api("com.gradle:develocity-gradle-plugin:3.17.2") // Sync with `settings.gradle.kts`

      0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
      0x70, 0x71, 0x72, 0xfc, 0x73, 0xfd, 0x1ffb, 0x7fff0, 0x1ffc, 0x3ffc, 0x22, 0x7ffd, 0x3,
      0x23, 0x4, 0x24, 0x5, 0x25, 0x26, 0x27, 0x6, 0x74, 0x75, 0x28, 0x29, 0x2a, 0x7, 0x2b,
      0x76, 0x2c, 0x8, 0x9, 0x2d, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7ffe, 0x7fc, 0x3ffd, 0x1ffd,

        fileBuilder.append(".tmp")
        dirtyFiles += directory / fileBuilder.toString()
        fileBuilder.setLength(truncateTo)
      }
    }

    /** Set lengths using decimal numbers like "10123". */
    @Throws(IOException::class)
    internal fun setLengths(strings: List<String>) {
      if (strings.size != valueCount) {
        invalidLengths(strings)
      }

      try {

Declara el body usando las declaraciones de tipo estándares de Python gracias a Pydantic.

```Python hl_lines="2  7-10  23-25"
from fastapi import FastAPI
from pydantic import BaseModel
from typing import Union

app = FastAPI()


class Item(BaseModel):
    name: str
    price: float

* Fix duplicated param variable creation. PR [#123](https://github.com/tiangolo/fastapi/pull/123) by [@yihuang](https://github.com/yihuang).

0124          ; mapped                 ; 0125          # 1.1  LATIN CAPITAL LETTER H WITH CIRCUMFLEX
0125          ; valid                                  # 1.1  LATIN SMALL LETTER H WITH CIRCUMFLEX
0126          ; mapped                 ; 0127          # 1.1  LATIN CAPITAL LETTER H WITH STROKE
0127          ; valid                                  # 1.1  LATIN SMALL LETTER H WITH STROKE

        sink.writeUtf8(body)
      }
    }

    val expected =
      """
      |--123
      |
      |Quick
      |--123
      |
      |Brown
      |--123
      |
      |Fox
      |--123--
      |
      """.trimMargin().replace("\n", "\r\n")
    val body =
      MultipartBody.Builder("123")
        .addPart("Quick".toRequestBody(null))
        .addPart(StreamingBody("Brown"))

  fun closeReasonMaximumLength() {
    webServer.enqueue(
      MockResponse.Builder()
        .webSocketUpgrade(serverListener)
        .build(),
    )
    val clientReason = repeat('C', 123)
    val serverReason = repeat('S', 123)
    val webSocket: WebSocket = newWebSocket()
    val server = serverListener.assertOpen()
    clientListener.assertOpen()
    webSocket.close(1000, clientReason)