arch/core/core-testing/api/current.txt

// Signature format: 4.0
package androidx.arch.core.executor.testing {

  public class CountingTaskExecutorRule extends org.junit.rules.TestWatcher {
    ctor public CountingTaskExecutorRule();
    method public void drainTasks(int, java.util.concurrent.TimeUnit!) throws java.lang.InterruptedException, java.util.concurrent.TimeoutException;
    method public boolean isIdle();
    method protected void onIdle();
  }

  public class InstantTaskExecutorRule extends org.junit.rules.TestWatcher {
    ctor public InstantTaskExecutorRule();
  }

}