}

    /**
     * Removes whitespace from the left side of the string.
     *
     * @param text
     *            The text to trim
     * @return The resulting string
     */
    public static final String ltrim(final String text) {
        return ltrim(text, null);
    }

    /**
     * Removes the specified characters from the left side of the string.
     *

      if (entryPredicate.apply(entry) && Objects.equals(entry.getValue(), o)) {
        unfilteredItr.remove();
        return true;
      }
    }
    return false;
  }

  @Override
  public boolean removeAll(Collection<?> c) {
    return Iterables.removeIf(
        multimap.unfiltered().entries(),
        and(multimap.entryPredicate(), valuePredicateOnEntries(in(c))));
  }

  @Override

  /**
   * Removes a single key-value pair with the key {@code key} and the value {@code value} from this
   * multimap, if such exists. If multiple key-value pairs in the multimap fit this description,
   * which one is removed is unspecified.
   *
   * @return {@code true} if the multimap changed
   */
  @CanIgnoreReturnValue
  boolean remove(

/**
 * The reason why a cached entry was removed.
 *
 * @author Charles Fry
 * @since 10.0
 */
@GwtCompatible
public enum RemovalCause {
  /**
   * The entry was manually removed by the user. This can result from the user invoking {@link
   * Cache#invalidate}, {@link Cache#invalidateAll(Iterable)}, {@link Cache#invalidateAll()}, {@link
   * Map#remove}, {@link ConcurrentMap#remove}, or {@link Iterator#remove}.
   */
  EXPLICIT {

    bimap.put(1, "one");
    bimap.put(2, "two");
    bimap.put(3, "three");
    Iterator<Integer> iterator = bimap.keySet().iterator();
    iterator.next();
    iterator.next();
    iterator.remove();
    iterator.next();
    iterator.remove();
    assertEquals(1, bimap.size());
    assertEquals(1, bimap.inverse().size());
  }

  @SuppressWarnings("IdentityHashMapBoxing") // explicitly testing IdentityHashMap

    - [(No, really, you MUST read this before you upgrade)](#no-really-you-must-read-this-before-you-upgrade)
  - [Deprecations](#deprecations)
  - [Removed and deprecated metrics](#removed-and-deprecated-metrics)
    - [Removed metrics](#removed-metrics)
    - [Deprecated metrics](#deprecated-metrics)
  - [Notable Features](#notable-features)
  - [API Changes](#api-changes)

  /**
   * Removes the mapping, if any, associated with the given keys.
   *
   * @param rowKey row key of mapping to be removed
   * @param columnKey column key of mapping to be removed
   * @return the value previously associated with the keys, or {@code null} if no such value existed
   */
  @CanIgnoreReturnValue
  @Nullable V remove(
      @CompatibleWith("R") @Nullable Object rowKey,

        return null;
    }

    /**
     * Remove and securely wipe a session key
     *
     * @param sessionId unique session identifier
     */
    public void removeSessionKey(String sessionId) {
        checkNotClosed();

        // Remove from memory maps
        SecretKey secretKey = sessionKeys.remove(sessionId);
        byte[] rawKey = rawKeys.remove(sessionId);

        // Wipe the raw key bytes

     * @param rule the rule to be added
     */
    void addRule(int index, Rule rule);

    /**
     * Removes the specified rule from the rule manager.
     *
     * @param rule the rule to be removed
     * @return true if the rule was successfully removed, false otherwise
     */
    boolean removeRule(Rule rule);

    /**
     * Checks if the specified rule exists.
     *

 * <ul>
 *   <li>{@code merge} (default): Merges attributes and values</li>
 *   <li>{@code override}: Completely replaces the element</li>
 *   <li>{@code remove}: Removes the element</li>
 * </ul>
 *
 * <p>For complex XML structures, combining can also be done based on:</p>
 * <ul>
 *   <li>ID: Using the {@code combine.id} attribute</li>