return rb.appendInternal(&rb.rules.rulesv4, command, chain, table, params...)
}

func (rb *IptablesRuleBuilder) AppendRule(command log.Command, chain string, table string, params ...string) *IptablesRuleBuilder {
	rb.AppendRuleV4(command, chain, table, params...)
	rb.AppendRuleV6(command, chain, table, params...)
	return rb
}

        then:
        1 * listener.onOutput('text')
    }

    def forwardsTextToAnAppendable() {
        Appendable appendable = Mock()
        StreamingStyledTextOutput output = new StreamingStyledTextOutput(appendable)

        when:
        output.text('text')

        then:
        1 * appendable.append('text')
    }

    def ignoresStyleInformation() {
        StandardOutputListener listener = Mock()

public class StreamBackedStandardOutputListener implements StandardOutputListener {
    private final Appendable appendable;
    private final Flushable flushable;

    public StreamBackedStandardOutputListener(Appendable appendable) {
        this.appendable = appendable;
        if (appendable instanceof Flushable) {
            flushable = (Flushable) appendable;
        } else {
            flushable = new Flushable() {
                @Override

        this(listener, listener);
    }

    /**
     * Creates a text output which writes text to the given appendable.
     * @param appendable The appendable.
     */
    public StreamingStyledTextOutput(final Appendable appendable) {
        this(appendable, new StreamBackedStandardOutputListener(appendable));
    }

    private StreamingStyledTextOutput(Object target, StandardOutputListener listener) {

        this.child = child;
    }

    @Override
    public void describeTo(Appendable appendable) {
        parent.describeTo(appendable);
        try {
            appendable.append(" > ");
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        child.describeTo(appendable);
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {

class StreamBackedStandardOutputListenerTest extends Specification {
    def canAppendToAnAppendable() {
        Appendable appendable = Mock()
        def listener = new StreamBackedStandardOutputListener(appendable)

        when:
        listener.onOutput("text")

        then:
        1 * appendable.append("text")
        0 * _._
    }

    def canAppendToAWriter() {
        Writer writer = Mock()

 */
package org.gradle.wrapper;

public class Logger implements Appendable {

    private final boolean quiet;

    public Logger(boolean quiet) {
        this.quiet = quiet;
    }

    public void log(String message) {
        if (!quiet) {
            System.out.println(message);
        }
    }

    @Override
    public Appendable append(CharSequence csq) {
        if (!quiet) {

 */

package org.gradle.kotlin.dsl.internal.sharedruntime.support


/**
 * Appends value to the given Appendable and simple `\n` line separator after it.
 *
 * Always using the same line separator on all systems to allow for reproducible outputs.
 */
fun Appendable.appendReproducibleNewLine(value: CharSequence = ""): Appendable {
    assert('\r' !in value) {
        "Unexpected line ending in string."
    }

 */
public interface ModelRuleDescriptor {
    /**
     * This method is expected to be idempotent.
     *
     * @param appendable where to write the description to.
     */
    void describeTo(Appendable appendable);

    ModelRuleDescriptor append(ModelRuleDescriptor child);

    ModelRuleDescriptor append(String child);

    @FormatMethod

  private static class SpyAppendable implements Appendable, Flushable, Closeable {
    boolean flushed;
    boolean closed;
    StringBuilder result = new StringBuilder();

    @Override
    public Appendable append(CharSequence csq) {
      result.append(csq);
      return this;
    }

    @Override
    public Appendable append(char c) {
      result.append(c);
      return this;
    }