docMap.put("key1", "value1");
        docMap.put("key2", "value2");

        assertEquals("value1", docMap.remove("key1"));
        assertNull(docMap.get("key1"));
        assertFalse(docMap.containsKey("key1"));

        assertNull(docMap.remove("nonexistent"));

        assertEquals(1, docMap.size());
        assertTrue(docMap.containsKey("key2"));
    }

goto:eof
:managed
echo Successfully started service manager for '%SERVICE_ID%'.
goto:eof

:doRemove
rem Remove the service
"%EXECUTABLE%" //DS//%SERVICE_ID% %LOG_OPTS%
if not errorlevel 1 goto removed
echo Failed removing '%SERVICE_ID%' service
goto:eof
:removed
echo The service '%SERVICE_ID%' has been removed
goto:eof

:doInstall
echo Installing service      :  "%SERVICE_ID%"

public class EmptyIterator<T> implements Iterator<T> {

    /**
     * Creates an {@link EmptyIterator}.
     */
    public EmptyIterator() {
    }

    @Override
    public void remove() {
        throw new ClUnsupportedOperationException("remove");
    }

    @Override
    public boolean hasNext() {
        return false;
    }

    @Override
    public T next() {

e.g., To scan objects stored under `user-uploads/` prefix and remove versions older than one year.

```
{
    "Rules": [
        {
            "ID": "Removing all old versions",
            "Filter": {
                "Prefix": "users-uploads/"
            },

     */
    public void addSitemap(final Sitemap sitemap) {
        sitemapList.add(sitemap);
    }

    /**
     * Removes a sitemap from this set.
     * @param sitemap the sitemap to remove
     */
    public void removeSitemap(final Sitemap sitemap) {
        sitemapList.remove(sitemap);
    }

    /**
     * Gets all sitemaps in this set as an array.
     * @return an array of sitemaps
     */

    assertEquals(Integer.valueOf(50), asMap.get(10));
    assertEquals(Integer.valueOf(79), cache.getIfPresent(2));
    assertEquals(Integer.valueOf(79), asMap.get(2));

    asMap.remove(10, 100);
    asMap.remove(2, 79);

    assertEquals(Integer.valueOf(50), cache.getIfPresent(10));
    assertEquals(Integer.valueOf(50), asMap.get(10));
    assertEquals(null, cache.getIfPresent(2));

  }

  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testRemovePropagatesToMultimap() {
    assertTrue(multimap().entries().remove(mapEntry(k0(), v0())));
    expectMissing(mapEntry(k0(), v0()));
    assertEquals(getNumElements() - 1, multimap().size());
    assertFalse(multimap().containsEntry(k0(), v0()));
  }

      checkNonNegative(--selfLoopCount);
    }
    N previousNode = inEdgeMap.remove(edge);
    // We're relying on callers to call this method only with an edge that's in the graph.
    return requireNonNull(previousNode);
  }

  @Override
  public N removeOutEdge(E edge) {
    N previousNode = outEdgeMap.remove(edge);
    // We're relying on callers to call this method only with an edge that's in the graph.

        // Assert
        verify(tree, times(1)).release(); // release called in finally exactly once
    }

    @Test
    @DisplayName("remove() throws UnsupportedOperationException with 'remove' message")
    void removeUnsupported() throws Exception {
        // Arrange
        stubAcquireReturnsSelf();

          nextEntry = entry.successorInValueSet;
          return result;
        }

        @Override
        public void remove() {
          checkForComodification();
          checkState(toRemove != null, "no calls to next() since the last call to remove()");
          ValueSet.this.remove(toRemove.getValue());
          expectedModCount = modCount;
          toRemove = null;
        }
      };
    }