void setMutationValidator(MutationValidator validator);

    DependencySubstitutionsInternal copy();

    /**
     * Discard all state held by this container.
     */
    void discard();

                        <div class="card card-outline card-primary">
                            <div class="card-header">
                                <h3 class="card-title">
                                    <la:message key="labels.wizard_start_title"/>
                                </h3>
                            </div>
                            <div class="card-body">
                                    <%-- Message: BEGIN --%>

}

// NewTestIOStreamsDiscard returns a valid IOStreams that just discards
func NewTestIOStreamsDiscard() IOStreams {
	in := &bytes.Buffer{}
	return IOStreams{
		In:     in,
		Out:    io.Discard,
		ErrOut: io.Discard,
	}

 */
public class MessageHub implements AsyncStoppable {
    private enum State {Running, Stopping, Stopped}

    private static final Discard DISCARD = new Discard();
    private final ManagedExecutor workers;
    private final String displayName;
    private final Action<? super Throwable> errorHandler;
    private final Lock lock = new ReentrantLock();

	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		Encode(io.Discard, img)
	}
}

func BenchmarkEncodeNRGBA(b *testing.B) {
	img := image.NewNRGBA(image.Rect(0, 0, 640, 480))
	if img.Opaque() {
		b.Fatal("expected image not to be opaque")
	}
	b.SetBytes(640 * 480 * 4)
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		Encode(io.Discard, img)
	}
}

func NopCloser(r io.Reader) io.ReadCloser {
	return io.NopCloser(r)
}

// Discard is an io.Writer on which all Write calls succeed
// without doing anything.
//
// Deprecated: As of Go 1.16, this value is simply [io.Discard].

				{
					Name:    `JörgDoe`,
					Address: "******@****.***",
				},
			},
		},
		// RFC 2047, Section 8.
		{
			`=?ISO-8859-1?Q?Andr=E9?= Pirard <PIRARD@vm1.ulg.ac.be>`,
			[]*Address{
				{
					Name:    `André Pirard`,
					Address: "PIRARD@vm1.ulg.ac.be",
				},
			},
		},
		// Custom example of RFC 2047 "B"-encoded ISO-8859-1 address.
		{
			`=?ISO-8859-1?B?SvZyZw==?= <******@****.***>`,

			b.SetBytes(int64(n))
			for i := 0; i < b.N; i++ {
				w := NewWriter(io.Discard, LSB, 8)
				w.Write(buf1)
				w.Close()
			}
		})
		b.Run(fmt.Sprint("1e-Reuse", e), func(b *testing.B) {
			b.SetBytes(int64(n))
			w := NewWriter(io.Discard, LSB, 8)
			for i := 0; i < b.N; i++ {
				w.Write(buf1)
				w.Close()
				w.(*Writer).Reset(io.Discard, LSB, 8)
			}
		})
	}

	// regardless of where we run.
	os.Setenv("HOME", "/home/username")
	kubectl := cmd.NewKubectlCommand(cmd.KubectlOptions{IOStreams: genericiooptions.IOStreams{In: bytes.NewReader(nil), Out: io.Discard, ErrOut: io.Discard}})
	doc.GenMarkdownTree(kubectl, outDir)

// DEPRECATED: use genericiooptions.NewTestIOStreamsDiscard
func NewTestIOStreamsDiscard() genericiooptions.IOStreams {
	in := &bytes.Buffer{}
	return IOStreams{
		In:     in,
		Out:    io.Discard,
		ErrOut: io.Discard,
	}