// send ack so the server doesn't wait for us.
	sendAck(ztunClient)

	// second message should be the snap sent message
	m, fds = readRequest(t, ztunClient)
	assert.Equal(t, len(fds), 0)

	sent := m.Payload.(*zdsapi.WorkloadRequest_SnapshotSent).SnapshotSent
	if sent == nil {
		panic("expected snapshot sent")
	}
	sendAck(ztunClient)
	ztunClient.Close()
	// this will retry for a bit, so shouldn't flake

NAME       CLUSTER      CDS       LDS        EDS        RDS          ECDS         ISTIOD      VERSION
proxy1     cluster1     STALE     SYNCED     SYNCED     NOT SENT     NOT SENT     istiod1     1.20

proxy1     cluster1     STALE        SYNCED      SYNCED      NOT SENT     SYNCED       istiod1     1.20
proxy2     cluster2     STALE        SYNCED      STALE       SYNCED       STALE        istiod2     1.19
proxy3     cluster3     NOT SENT     ERROR       STALE       NOT SENT     NOT SENT     istiod3     1.20

// Keep workload that we can't find in the fd cache. This can only be sent before SnapshotSent is sent
// to signal ztunnel to not delete the workload if it has it.
message KeepWorkload {
  string uid = 1;
}

// Delete a workload from the ztunnel. Ztunnel should shutdown the workload's proxy.
message DelWorkload {
  string uid = 2;
}

// Let ztunnel know that a full snapshot was sent. Ztunnel should reconcile its internal state

        return {"message": "Notification sent in the background"}
    ```
    """

    def add_task(
        self,
        func: Annotated[
            Callable[P, Any],
            Doc(
                """
                The function to call after the response is sent.

                It can be a regular `def` function or an `async def` function.
                """

	// We must use a buffered channel or risk missing the signal
	// if we're not ready to receive when the signal is sent.
	c := make(chan os.Signal, 1)

	// Passing no signals to Notify means that
	// all signals will be sent to the channel.
	signal.Notify(c)

	// Block until any signal is received.
	s := <-c
	fmt.Println("Got signal:", s)

OkHttp Server-Sent Events
=========================

Experimental support for server-sent events.
API is not considered stable and may change at any time.

### Download

```kotlin
testImplementation("com.squareup.okhttp3:okhttp-sse:4.12.0")

package org.gradle.tooling.events.problems;

import org.gradle.api.Incubating;


/**
 * Represents a list of aggregated problems. These are sent at the end of the build.
 * All Problems that occurred more than once during the build are aggregated and sent as a {@link ProblemAggregation}.
 * They won't be sent in between the build only the first one.
 *
 * @since 8.8
 */
@Incubating
public interface ProblemAggregationEvent extends ProblemEvent {

async def create_file(file: Annotated[bytes | None, File()] = None):
    if not file:
        return {"message": "No file sent"}
    else:
        return {"file_size": len(file)}


@app.post("/uploadfile/")
async def create_upload_file(file: UploadFile | None = None):
    if not file:
        return {"message": "No upload file sent"}
    else:

import org.gradle.api.Incubating;

import java.util.List;

/**
 * Represents a list of aggregated problems. These are sent at the end of the build.
 * All Problems that occurred more than once during the build are aggregated and sent as a {@link ProblemAggregation}.
 * They won't be sent in between the build only the first one.
 *
 * @since 8.6
 */
@Incubating
public interface ProblemAggregation {

    /**