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

  @RestrictTo(androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP_PREFIX) public class JunitTaskExecutorRule implements org.junit.rules.TestRule {
    ctor public JunitTaskExecutorRule(int, boolean);
    method public org.junit.runners.model.Statement apply(org.junit.runners.model.Statement, org.junit.runner.Description);
    method public void drainTasks(int) throws java.lang.InterruptedException;
    method public androidx.arch.core.executor.TaskExecutor getTaskExecutor();
  }

  @RestrictTo(androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP_PREFIX) public class TaskExecutorWithFakeMainThread extends androidx.arch.core.executor.TaskExecutor {
    ctor public TaskExecutorWithFakeMainThread(int);
    method public void drainTasks(int) throws java.lang.InterruptedException;
    method public void executeOnDiskIO(Runnable);
    method public boolean isMainThread();
    method public void postToMainThread(Runnable);
  }

}

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();
  }

}