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Everything needed to run a comprehensive dev environment. Just type X_ and pick a service from autocomplete; new dev modules will be added as they are built. The only dev service not included in the uber jar is xapi-dev-maven, as it includes all runtime dependencies of maven, adding ~4 seconds to build time, and 6 megabytes to the final output jar size (without xapi-dev-maven, it's ~1MB).

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package org.junit.runner;

import org.junit.runner.notification.RunNotifier;

/**
 * A Runner runs tests and notifies a {@link org.junit.runner.notification.RunNotifier}
 * of significant events as it does so. You will need to subclass Runner
 * when using {@link org.junit.runner.RunWith} to invoke a custom runner. When creating
 * a custom runner, in addition to implementing the abstract methods here you must
 * also provide a constructor that takes as an argument the {@link Class} containing
 * the tests.
 *
 * The default runner implementation guarantees that the instances of the test case
 * class will be constructed immediately before running the test and that the runner
 * will retain no reference to the test case instances, generally making them
 * available for garbage collection.
 *
 * @see org.junit.runner.Description
 * @see org.junit.runner.RunWith
 * @since 4.0
 */
public abstract class Runner implements Describable {
    /*
     * (non-Javadoc)
     * @see org.junit.runner.Describable#getDescription()
     */
    public abstract Description getDescription();

    /**
     * Run the tests for this runner.
     *
     * @param notifier will be notified of events while tests are being run--tests being
     * started, finishing, and failing
     */
    public abstract void run(RunNotifier notifier);

    /**
     * @return the number of tests to be run by the receiver
     */
    public int testCount() {
        return getDescription().testCount();
    }
}