+ "dnd:read dnd:write emoji:read files:read files:write:user groups:history groups:read "
        + "groups:write im:history im:read im:write mpim:history mpim:read mpim:write pins:read "
        + "pins:write reactions:read reactions:write search:read stars:read stars:write team:read "
        + "usergroups:read usergroups:write users:read users:write identify";

import okhttp3.Request;
import okhttp3.Response;

public final class RewriteResponseCacheControl {
  /** Dangerous interceptor that rewrites the server's cache-control header. */
  private static final Interceptor REWRITE_CACHE_CONTROL_INTERCEPTOR = chain -> {
    Response originalResponse = chain.proceed(chain.request());
    return originalResponse.newBuilder()
        .header("Cache-Control", "max-age=60")
        .build();
  };

  }

  /**
   * This request body makes it possible for another thread to stream data to the uploading request.
   * This is potentially useful for posting live event streams like video capture. Callers should
   * write to {@code sink()} and close it to complete the post.
   */
  static final class PipeBody extends RequestBody {
    private final Pipe pipe = new Pipe(8192);
    private final BufferedSink sink = Okio.buffer(pipe.sink());