fun testHeadAfterPut() {
    class ErringRequestBody : RequestBody() {
      override fun contentType(): MediaType = "application/xml".toMediaType()

      override fun writeTo(sink: BufferedSink) {
        sink.writeUtf8("<el")
        sink.flush()
        throw IOException("failed to stream the XML")
      }
    }

    class ValidRequestBody : RequestBody() {

  /** Returns a request that transforms `request` to be all uppercase.  */
  private fun uppercaseRequest(request: Request): Request {
    val uppercaseBody: RequestBody =
      object : ForwardingRequestBody(request.body) {
        @Throws(IOException::class)
        override fun writeTo(sink: BufferedSink) {
          delegate().writeTo(uppercaseSink(sink).buffer())
        }
      }

from typing import Any


def get_body_model_name(openapi: dict[str, Any], path: str) -> str:
    body = openapi["paths"][path]["post"]["requestBody"]
    body_schema = body["content"]["multipart/form-data"]["schema"]

class Header(ParameterBase):
    pass


class RequestBody(BaseModelWithConfig):
    description: str | None = None
    content: dict[str, MediaType]
    required: bool | None = None


class Link(BaseModelWithConfig):
    operationRef: str | None = None
    operationId: str | None = None
    parameters: dict[str, Any | str] | None = None
    requestBody: Any | str | None = None
    description: str | None = None

import okhttp3.MediaType
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.OkHttpClient
import okhttp3.Protocol
import okhttp3.RecordingHostnameVerifier
import okhttp3.Request
import okhttp3.RequestBody
import okhttp3.RequestBody.Companion.toRequestBody
import okhttp3.WebSocketListener
import okhttp3.logging.HttpLoggingInterceptor.Level
import okhttp3.testing.PlatformRule
import okio.Buffer
import okio.BufferedSink

    body.writeTo(buffer)
    assertThat(body.contentLength()).isEqualTo(buffer.size)
    assertThat(buffer.readUtf8()).isEqualTo(expected)
  }

  fun String.toOneShotRequestBody(): RequestBody =
    object : RequestBody() {
      override fun contentType() = null

      override fun isOneShot(): Boolean = true

      override fun contentLength() = ******@****.***8Size()

        .method(originalRequest.method(), gzip(originalRequest.body()))
        .build();
    return chain.proceed(compressedRequest);
  }

  private RequestBody gzip(final RequestBody body) {
    return new RequestBody() {
      @Override public MediaType contentType() {
        return body.contentType();
      }

      @Override public long contentLength() {

            "paths": {
                "/form/": {
                    "post": {
                        "summary": "Post Form",
                        "operationId": "post_form_form__post",
                        "requestBody": {
                            "content": {
                                "application/x-www-form-urlencoded": {
                                    "schema": {

                                "name": "item_id",
                                "in": "path",
                            }
                        ],
                        "requestBody": {
                            "content": {
                                "application/json": {
                                    "schema": {"$ref": "#/components/schemas/Item"}
                                }

                                },
                            },
                        },
                        "summary": "Foo",
                        "operationId": "foo_foo_post",
                        "requestBody": {
                            "content": {
                                "application/json": {
                                    "schema": {"$ref": "#/components/schemas/Items"}
                                }