* fixed but arbitrary point in time. Note that most users should use {@link Stopwatch} instead of
 * interacting with this class directly.
 *
 * <p><b>Warning:</b> this interface can only be used to measure elapsed time, not wall time.
 *
 * @author Kevin Bourrillion
 * @since 10.0 (<a href="https://github.com/google/guava/wiki/Compatibility">mostly
 *     source-compatible</a> since 9.0)
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault

 *
 *     public void apply(Project project) {
 *     }
  * }
 * </pre>
 * @since 5.0
 */
public interface BuildInvocationDetails {

    /**
     * The wall-clock time in millis that the build was started.
     *
     * The build is considered to have started as soon as the user, or some tool, initiated the build.

 * fixed but arbitrary point in time. Note that most users should use {@link Stopwatch} instead of
 * interacting with this class directly.
 *
 * <p><b>Warning:</b> this interface can only be used to measure elapsed time, not wall time.
 *
 * @author Kevin Bourrillion
 * @since 10.0 (<a href="https://github.com/google/guava/wiki/Compatibility">mostly
 *     source-compatible</a> since 9.0)
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault

// Distribution of checkpoint write durations.
auto* checkpoint_write_durations = monitoring::Sampler<1>::New(
    {
        "/tensorflow/core/checkpoint/write/write_durations",  // Metric name.
        "Distribution of the wall time duration in microseconds of the "
        "checkpoint write operation.",  // Metric description.
        "api_label"                     // Cell label.
    },

    }

    /**
     * Measures elapsed time.
     *
     * Timers use System.nanoTime() to measure elapsed time,
     * and are therefore not synchronized with {@link #clock()} or the system wall clock.
     *
     * System.nanoTime() does not consider time elapsed while the system is in hibernation.
     * Therefore, timers effectively measure the elapsed time, of which the system was awake.
     */

        when:
        setNanos(delta)

        then:
        clock.currentTime == START_MILLIS + Math.max(0, delta)

        where:
        delta << [0, 100, -100]
    }

    def "resyncs with system wall clock"() {
        when:
        setNanos(10)

        then:
        clock.currentTime == time(10)

        when:
        setNanos(15)

        then:
        clock.currentTime == time(15)

    }

    /**
     * The elapsed wall clock time of executing the actual work, i.e. the time it took to execute the
     * {@link UnitOfWork#execute(UnitOfWork.ExecutionRequest)} method.
     *
     * The execution time refers to when and where the work was executed: if a previous result was reused,
     * then this method will return the time it took to produce the previous result.
     *

 *
 * <p>In contrast, <i>wall time</i> is a reading of "now" as given by a method like
 * {@link System#currentTimeMillis()}, best represented as an {@link java.time.Instant}. Such values
 * <i>can</i> be subtracted to obtain a {@code Duration} (such as by {@code Duration.between}), but
 * doing so does <i>not</i> give a reliable measurement of elapsed time, because wall time readings

 *
 * <p>In contrast, <i>wall time</i> is a reading of "now" as given by a method like
 * {@link System#currentTimeMillis()}, best represented as an {@link java.time.Instant}. Such values
 * <i>can</i> be subtracted to obtain a {@code Duration} (such as by {@code Duration.between}), but
 * doing so does <i>not</i> give a reliable measurement of elapsed time, because wall time readings

-- hello.go --
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Translations by Google Translate.

package sampler

var hello = newText(`

English: en: 99 bottles of beer on the wall, 99 bottles of beer, ...

`)
-- hello_test.go --
// Copyright 2018 The Go Authors. All rights reserved.