import okhttp3.RequestBody
import okio.BufferedSink
import okio.GzipSink
import okio.buffer

internal class GzipRequestBody(
  val delegate: RequestBody,
) : RequestBody() {
  override fun contentType() = delegate.contentType()

  // We don't know the compressed length in advance!
  override fun contentLength() = -1L

  override fun writeTo(sink: BufferedSink) {
    GzipSink(sink).buffer().use(delegate::writeTo)
  }

import okhttp3.HttpUrl.Companion.toHttpUrl
import okhttp3.ResponseBody.Companion.asResponseBody
import okhttp3.ResponseBody.Companion.toResponseBody
import okio.Buffer
import okio.ByteString.Companion.encodeUtf8
import okio.GzipSink
import okio.Source
import okio.buffer
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.extension.RegisterExtension

class CompressionInterceptorTest {
  @RegisterExtension

        return -1; // We don't know the compressed length in advance!
      }

      @Override public void writeTo(BufferedSink sink) throws IOException {
        BufferedSink gzipSink = Okio.buffer(new GzipSink(sink));
        body.writeTo(gzipSink);
        gzipSink.close();
      }
    };
  }
}
```

### Rewriting Responses