return document ? document.importNode(parsed, true) : parsed
    }

    def formatTree(Closure cl) {
        withCategories {
            return formatTree(cl.call())
        }
    }

    def withCategories(Closure cl) {
        use(BuildableDOMCategory) {
            return cl.call()
        }
    }

    def format(Node... nodes) {

 * systems and high-level APIs that provide autoescaping.
 * One Google-authored templating system available for external use is <a
 * href="https://developers.google.com/closure/templates/">Closure Templates</a>.
 *
 * <p>HTML escaping is particularly tricky: For example, <a
 * href="https://www.w3.org/TR/html4/types.html#h-6.2">some elements' text contents must not be HTML

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package gradlebuild.docs.model;

import groovy.lang.Closure;
import org.gradle.api.Action;
import org.gradle.api.GradleException;
import org.gradle.api.UnknownDomainObjectException;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;

@SuppressSignatureCheck
sealed class CallEvent {
  abstract val timestampNs: Long
  abstract val call: Call

  val name: String
    get() = javaClass.simpleName

  /** Returns if the event closes this event, or null if this is no open event. */
  open fun closes(event: CallEvent): Boolean? = null

  data class ProxySelectStart(
    override val timestampNs: Long,
    override val call: Call,
    val url: HttpUrl,
  ) : CallEvent()

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package gradlebuild.docs.dsl.docbook;

import groovy.lang.Closure;
import gradlebuild.docs.dsl.docbook.model.BlockDoc;
import gradlebuild.docs.dsl.docbook.model.ClassDoc;
import gradlebuild.docs.dsl.docbook.model.MethodDoc;
import gradlebuild.docs.dsl.docbook.model.PropertyDoc;

</p>

<pre>
f := func(x, y int) int { return x + y }
func(ch chan int) { ch &lt;- ACK }(replyChan)
</pre>

<p>
Function literals are <i>closures</i>: they may refer to variables
defined in a surrounding function. Those variables are then shared between
the surrounding function and the function literal, and they survive as long
as they are accessible.
</p>

@SuppressSignatureCheck
sealed class ConnectionEvent {
  abstract val timestampNs: Long
  open val connection: Connection?
    get() = null

  /** Returns if the event closes this event, or null if this is no open event. */
  open fun closes(event: ConnectionEvent): Boolean? = null

  val name: String
    get() = javaClass.simpleName

  data class ConnectStart(
    override val timestampNs: Long,
    val route: Route,

        groovyImplicitTypes.add("java.math.BigInteger");

        // check that groovy is visible.
        try {
            getClass().getClassLoader().loadClass("groovy.lang.Closure");
        } catch (ClassNotFoundException e) {
            throw UncheckedException.throwAsUncheckedException(e);
        }
    }

    /**
     * Resolves the names in the given type into fully qualified names.

        TestDomainObject value1 = new TestDomainObject('a')
        TestDomainObject value2 = new TestDomainObject('a')
        repository.put('class1', value1)
        repository.put('class2', value2)
        Closure cl = Mock()

        when:
        repository.each(cl)

        then:
        1 * cl.call(['class1', value1] as Object[])
        1 * cl.call(['class2', value2] as Object[])
        0 * cl._
    }

/**
 * A class that can supply objects of a single type; a pre-Java-8 version of {@link
 * java.util.function.Supplier java.util.function.Supplier}. Semantically, this could be a factory,
 * generator, builder, closure, or something else entirely. No guarantees are implied by this
 * interface.
 *
 * <p>The {@link Suppliers} class provides common suppliers and related utilities.
 *
 * <p>See the Guava User Guide article on <a href=