@app.get("/image", response_class=PNGStreamingResponse)
def stream_image_no_async_no_annotation():
    with read_image() as image_file:
        yield from image_file
```

prefer this over returning a `StreamingResponse` directly:

```python
# DO NOT DO THIS

import anyio
from fastapi import FastAPI
from fastapi.responses import StreamingResponse
from app.utils import read_image

app = FastAPI()

 * from being scheduled.
 *
 * Tasks may opt-out of cancellation with `cancelable = false`. Such tasks will recur until they
 * decide not to by returning -1L.
 *
 * Task Queues
 * -----------
 *
 * Tasks are bound to the [TaskQueue] they are scheduled in. Each queue is sequential and the tasks

import java.util.Random;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests that the different algorithms benchmarked in {@link QuantilesBenchmark} are actually all
 * returning more-or-less the same answers.
 */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
public class QuantilesAlgorithmTest extends TestCase {

  private static final Random rng = new Random(82674067L);

     */
    public void updateTags(String remote) {
        runCommand("git", "fetch", "--tags", Objects.requireNonNull(remote));
    }

    /**
     * Fetch all tags matching the specified pattern, returning them as {@link QualifiedVersion} instances.
     * @param pattern the tag pattern to match
     * @return matching versions
     */
    public Stream<QualifiedVersion> listVersions(String pattern) {

// only sqlite, postgres, gaussdb, sqlserver support returning
func TestUpdateReturning(t *testing.T) {
	if DB.Dialector.Name() != "sqlite" && DB.Dialector.Name() != "postgres" && DB.Dialector.Name() != "gaussdb" && DB.Dialector.Name() != "sqlserver" {
		return
	}

	users := []*User{
		GetUser("update-returning-1", Config{}),
		GetUser("update-returning-2", Config{}),
		GetUser("update-returning-3", Config{}),
	}
	DB.Create(&users)

	}
}

func TestReturningWithNullToZeroValues(t *testing.T) {
	dialect := DB.Dialector.Name()
	switch dialect {
	case "mysql", "sqlserver":
		// these dialects do not support the "returning" clause
		return
	default:
		// This user struct will leverage the existing users table, but override
		// the Name field to default to null.
		type user struct {
			gorm.Model
			Name string `gorm:"default:null"`

		// not enough data in buffer
		n = avail
		err = b.readErr()
		if err == nil {
			err = ErrBufferFull
		}
	}
	return b.buf[b.r : b.r+n], err
}

// Discard skips the next n bytes, returning the number of bytes discarded.
//
// If Discard skips fewer than n bytes, it also returns an error.
// If 0 <= n <= b.Buffered(), Discard is guaranteed to succeed without
// reading from the underlying io.Reader.

import jcifs.internal.smb1.ServerMessageBlock;
import jcifs.internal.util.SMBUtil;

/**
 * SMB1 Seek command response implementation.
 * Handles server responses to file seek operations, returning the new file
 * position after a seek request in SMB1 protocol file operations.
 *
 * @author mbechler
 */
public class SmbComSeekResponse extends ServerMessageBlock {

    private long offset;

    /**

   * next} field is lazily initialized. The type of that field would be {@code @Nullable T}, and the
   * code would be responsible for populating a "real" {@code T} (which might still be the value
   * {@code null}!) before returning it to callers. Depending on how the code is structured, a
   * nullness analysis might not understand that the field has been populated. To avoid that problem

@GwtCompatible
public final class Callables {
  private Callables() {}

  /** Creates a {@code Callable} which immediately returns a preset value each time it is called. */
  public static <T extends @Nullable Object> Callable<T> returning(@ParametricNullness T value) {
    return () -> value;
  }

  /**
   * Creates an {@link AsyncCallable} from a {@link Callable}.
   *