### Understand the question { #understand-the-question }

* Check if you can understand what is the **purpose** and use case of the person asking.

* Then check if the question (the vast majority are questions) is **clear**.

pkg net, method (*ListenConfig) MultipathTCP() bool #56539
pkg net, method (*ListenConfig) SetMultipathTCP(bool) #56539
pkg net, method (*TCPConn) MultipathTCP() (bool, error) #59166
pkg reflect, method (Value) Clear() #55002
pkg reflect, type SliceHeader //deprecated #56906
pkg reflect, type StringHeader //deprecated #56906
pkg regexp, method (*Regexp) MarshalText() ([]uint8, error) #46159

      sleepMicros("R", micros);
    }

    String readEventsAndClear() {
      try {
        return events.toString();
      } finally {
        events.clear();
      }
    }

    @Override
    public String toString() {
      return events.toString();
    }
  }

  @AndroidIncompatible // Mockito loses its ability to mock doGetRate as of Android 21

         * annotations. This is intentional. The semantics of annotation handling during
         * type resolution are unclear and have changed across Java versions. Until there's
         * a clear specification for what annotations should mean on resolved TypeVariables
         * with modified bounds, annotation methods will throw
         * UnsupportedOperationException. Frameworks requiring annotation preservation

      monitor.leave();
    }
  }

  /**
   * Atomically removes all of the elements from this queue. The queue will be empty after this call
   * returns.
   */
  @Override
  public void clear() {
    E[] items = this.items;
    Monitor monitor = this.monitor;
    monitor.enter();
    try {
      int i = takeIndex;
      int k = count;
      while (k-- > 0) {
        items[i] = null;

      sleepMicros("R", micros);
    }

    String readEventsAndClear() {
      try {
        return events.toString();
      } finally {
        events.clear();
      }
    }

    @Override
    public String toString() {
      return events.toString();
    }
  }

  @AndroidIncompatible // Mockito loses its ability to mock doGetRate as of Android 21

      iterator.remove();
      return result;
    } else {
      return null;
    }
  }

  // Methods only in Iterators, not in Iterables

  /** Clears the iterator using its remove method. */
  static void clear(Iterator<?> iterator) {
    checkNotNull(iterator);
    while (iterator.hasNext()) {
      iterator.next();
      iterator.remove();
    }
  }

  /**

    rangeMap.put(Range.open(3, 7), 1);
    rangeMap.put(Range.closed(9, 10), 2);
    rangeMap.put(Range.closed(12, 16), 3);
    RangeMap<Integer, Integer> sub = rangeMap.subRangeMap(Range.closed(5, 11));
    sub.clear();
    assertEquals(
        ImmutableMap.of(Range.open(3, 5), 1, Range.closed(12, 16), 3), rangeMap.asMapOfRanges());
  }

  public void testCopyOfTreeRangeMap() {

        // We only ever register ArrayReferences with the queue so this is always safe.
        ArrayReference<? extends L> arrayRef = (ArrayReference<? extends L>) ref;
        // Try to clear out the array slot, n.b. if we fail that is fine, in either case the
        // arrayRef will be out of the array after this step.
        locks.compareAndSet(arrayRef.index, arrayRef, null);
      }
    }

			adminRouter.Methods(http.MethodDelete).Path(adminVersion+"/clear-config-history-kv").HandlerFunc(adminMiddleware(adminAPI.ClearConfigHistoryKVHandler)).Queries("restoreId", "{restoreId:.*}")