}

    @Override
    @BeforeEach
    public void setUp() throws Exception {
        super.setUp();
        EmptyLifecycleBindingsInjector.useEmpty();
    }

        EmptyLifecycleBindingsInjector.lifecycleRegistry = lifecycleRegistry;
        EmptyLifecycleBindingsInjector.packagingRegistry = packagingRegistry;
    }

    public static void useEmpty() {
        lifecycleRegistry = EMPTY_LIFECYCLE_REGISTRY;
        packagingRegistry = EMPTY_PACKAGING_REGISTRY;
    }

    private static Plugin newPlugin(String artifactId, String... goals) {

        EmptyLifecycleBindingsInjector.lifecycleRegistry = lifecycleRegistry;
        EmptyLifecycleBindingsInjector.packagingRegistry = packagingRegistry;
    }

    public static void useEmpty() {
        lifecycleRegistry = EMPTY_LIFECYCLE_REGISTRY;
        packagingRegistry = EMPTY_PACKAGING_REGISTRY;
    }

    private static Plugin newPlugin(String artifactId, String... goals) {

    assertThat(certificatePinner.findMatchingPins("example.com.notexample.com")).isEmpty()
    assertThat(certificatePinner.findMatchingPins("notexample.com")).isEmpty()
    assertThat(certificatePinner.findMatchingPins("example.com")).isEmpty()
    assertThat(certificatePinner.findMatchingPins("a.b.example.com")).isEmpty()

        this.groupId = (groupId != null && !groupId.isEmpty()) ? groupId : null;
        this.artifactId = (artifactId != null && !artifactId.isEmpty()) ? artifactId : null;
        this.classifier = (classifier != null && !classifier.isEmpty()) ? classifier : null;
        this.extension = (extension != null && !extension.isEmpty()) ? extension : null;
        this.version = (version != null && !version.isEmpty()) ? version : null;

        buffer.append((groupId != null && !groupId.isEmpty()) ? groupId : "[unknown-group-id]");
        buffer.append(':');
        buffer.append((artifactId != null && !artifactId.isEmpty()) ? artifactId : "[unknown-artifact-id]");
        buffer.append(':');
        buffer.append((version != null && !version.isEmpty()) ? version : "[unknown-version]");

        return buffer.toString();
    }

	Prefix  string
	And     And
	Tag     Tag

	// Caching tags, only once
	cachedTags map[string]string
}

// IsEmpty returns true if filter is not set
func (f Filter) IsEmpty() bool {
	return f.And.isEmpty() && f.Tag.IsEmpty() && f.Prefix == ""
}

// MarshalXML - produces the xml representation of the Filter struct
// only one of Prefix, And and Tag should be present in the output.

			default:
				return errUnknownXMLTag
			}
		}
	}
	return nil
}

// IsEmpty returns true if Filter is not specified in the XML
func (f Filter) IsEmpty() bool {
	return !f.set
}

// Validate - validates the filter element
func (f Filter) Validate() error {
	if f.IsEmpty() {
		return errXMLNotWellFormed
	}
	// A Filter must have exactly one of Prefix, Tag,

        StringBuilder buffer = new StringBuilder(256);

        if (!getSource().isEmpty()) {
            if (!buffer.isEmpty()) {
                buffer.append(", ");
            }
            buffer.append(getSource());
        }

        if (getLineNumber() > 0) {
            if (!buffer.isEmpty()) {
                buffer.append(", ");
            }

    }
    assertEquals(expectedSize, size2);
  }

  @CollectionSize.Require(ZERO)
  public void testIsEmptyYes() {
    assertTrue(multimap().isEmpty());
  }

  @CollectionSize.Require(absent = ZERO)
  public void testIsEmptyNo() {
    assertFalse(multimap().isEmpty());
  }

  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require(ALLOWS_NULL_KEYS)
  public void testSizeNullKey() {