@GwtCompatible
public interface Cache<K, V> {

  /**
   * Returns the value associated with {@code key} in this cache, or {@code null} if there is no
   * cached value for {@code key}.
   *
   * @since 11.0
   */
  @CanIgnoreReturnValue // TODO(b/27479612): consider removing this?
  @Nullable V getIfPresent(@CompatibleWith("K") Object key);

  /**

      Iterable<T> removeFrom, Predicate<? super T> predicate) {
    if (removeFrom instanceof Collection) {
      return ((Collection<T>) removeFrom).removeIf(predicate);
    }
    return Iterators.removeIf(removeFrom.iterator(), predicate);
  }

  /** Removes and returns the first matching element, or returns {@code null} if there is none. */
  static <T extends @Nullable Object> @Nullable T removeFirstMatching(

     * @return {@code true} if this range contains the specified version, {@code false} otherwise
     */
    boolean contains(@Nonnull Version version);

    /**
     * Returns the upper boundary of this range, or {@code null} if none.
     */
    @Nullable
    Boundary getUpperBoundary();

    /**
     * Returns the lower boundary of this range, or {@code null} if none.
     */

  /**
   * Returns x rounded to either the greatest double less than or equal to the precise value of x,
   * or the least double greater than or equal to the precise value of x.
   */
  abstract double roundToDoubleArbitrarily(X x);

  /** Returns the sign of x: either -1, 0, or 1. */
  abstract int sign(X x);

  /** Returns d's value as an X, rounded with the specified mode. */

    @SuppressWarnings("unchecked")
    Class<T> wrapped = (Class<T>) PRIMITIVE_TO_WRAPPER_TYPE.get(type);
    return (wrapped == null) ? type : wrapped;
  }

  /**
   * Returns the corresponding primitive type of {@code type} if it is a wrapper type; otherwise
   * returns {@code type} itself. Idempotent.
   *
   * <pre>
   *     unwrap(Integer.class) == int.class
   *     unwrap(int.class) == int.class

   */
  public ImmutableList<R> rowKeyList() {
    return rowList;
  }

  /**
   * Returns, as an immutable list, the column keys provided when the table was constructed,
   * including those that are mapped to null values only.
   */
  public ImmutableList<C> columnKeyList() {
    return columnList;
  }

  /**

      switch (size) {
        case 0:
          return of();
        case 1:
          return new SingletonImmutableTable<>(getOnlyElement(cells));
        default:
          return RegularImmutableTable.forCells(cells, rowComparator, columnComparator);
      }
    }
  }

  ImmutableTable() {}

  @Override
  public ImmutableSet<Cell<R, C, V>> cellSet() {
    return (ImmutableSet<Cell<R, C, V>>) super.cellSet();
  }

    }

    /**
     * Returns the {@link Class} of the target.
     *
     * @return {@link Class} of the target
     */
    public Class<?> getTargetClass() {
        return targetClass;
    }

    /**
     * Returns the method name.
     *
     * @return Method name
     */
    public String getMethodName() {
        return methodName;
    }

    /**

  Set<N> adjacentNodes();

  Set<N> predecessors();

  Set<N> successors();

  /**
   * Returns an iterator over the incident edges.
   *
   * @param thisNode The node that this all of the connections in this class are connected to.
   */
  Iterator<EndpointPair<N>> incidentEdgeIterator(N thisNode);

  /**
   * Returns the value associated with the edge connecting the origin node to {@code node}, or null

    }

    /**
     * Returns a message code.
     *
     * @return message code
     */
    public String getMessageCode() {
        return messageCode;
    }

    /**
     * Returns arguments of a message
     *
     * @return array of arguments
     */
    public Object[] getArgs() {
        return args;
    }

    @Override