pairs += name to value
    }

    assertThat(pairs).containsExactly("a" to "b", "c" to "d")
  }

  @Test fun builderGetOperator() {
    val builder = Headers.Builder()
    builder.add("a", "b")
    builder.add("c", "d")
    assertThat(builder["a"]).isEqualTo("b")
    assertThat(builder["c"]).isEqualTo("d")
    assertThat(builder["e"]).isNull()
  }

  @Test fun builderSetOperator() {

            if (filter.include(artifact)) {
                return true;
            }
        }

        return false;
    }

    public void add(ArtifactFilter artifactFilter) {
        filters.add(artifactFilter);
    }

    @Override
    public int hashCode() {
        int hash = 17;
        hash = hash * 31 + filters.hashCode();
        return hash;
    }

    @Override

**Expected behavior**
A clear and concise description of what you expected to happen.

**Screenshots**
If applicable, add screenshots to help explain your problem.

**Environment (please complete the following information):**
 - OS: [e.g. Windows 10]
 - Browser [e.g. chrome, safari]
 - Version [e.g. 13.5.0]

**Additional context**

 * the License.
 */

package com.google.common.hash;

/**
 * Abstract interface for objects that can concurrently add longs.
 *
 * @author Louis Wasserman
 */
interface LongAddable {
  void increment();

  void add(long x);

  long sum();

* Add a check for file size if the reading content returns empty ([#33976](https://github.com/kubernetes/kubernetes/pull/33976), [@jingxu97](https://github.com/jingxu97))
* Add a retry when reading a file content from a container ([#35560](https://github.com/kubernetes/kubernetes/pull/35560), [@jingxu97](https://github.com/jingxu97))

    assertTrue(result.remove(v0()));

    assertFalse(multimap().containsKey(k0()));
    assertFalse(multimap().containsEntry(k0(), v0()));
    assertEmpty(result);

    assertTrue(result.add(v1()));
    assertTrue(result.add(v2()));

    assertContentsAnyOrder(result, v1(), v2());
    assertContentsAnyOrder(multimap().get(k0()), v1(), v2());
    assertTrue(multimap().containsKey(k0()));

      iteratorElements.add(element);
    }
    assertEqualIgnoringOrder(asList(createSamplesArray()), iteratorElements);
  }

  @CollectionFeature.Require(KNOWN_ORDER)
  public void testIterationOrdering() {
    List<E> iteratorElements = new ArrayList<>();
    for (E element : collection) { // uses iterator()
      iteratorElements.add(element);
    }

     *
     * @param generator the thumbnail generator to add
     */
    public void add(final ThumbnailGenerator generator) {
        if (generator.isAvailable()) {
            if (logger.isDebugEnabled()) {
                logger.debug("{} is available.", generator.getName());
            }
            generatorList.add(generator);
        } else if (logger.isDebugEnabled()) {

                            // we don't add it or its children, just allow the update of the version and artifactScope
                            if (node.isChildOfRootNode() || !artifact.isOptional()) {
                                artifact.setDependencyTrail(node.getDependencyTrail());

                                set.add(node);

                                // This is required right now.

            return EndpointPair.unordered(requireNonNull(node), otherNode);
          }
        }
        // Add to visited set *after* processing neighbors so we still include self-loops.
        visitedNodes.add(node);
        if (!advance()) {
          visitedNodes = null;
          return endOfData();
        }
      }
    }
  }