* the user calls remove().)
         */
        return iterator.hasNext() || iterable.iterator().hasNext();
      }

      @Override
      @ParametricNullness
      public T next() {
        if (!iterator.hasNext()) {
          iterator = iterable.iterator();
          if (!iterator.hasNext()) {
            throw new NoSuchElementException();
          }

    }

    @Test
    @DisplayName("encode should throw NPE on null input")
    void testEncodeNull() {
        assertThrows(NullPointerException.class, () -> Base64.encode(null));
    }

    @Test
    @DisplayName("decode should throw NPE on null input")
    void testDecodeNull() {
        assertThrows(NullPointerException.class, () -> Base64.decode(null));
    }

  }

  @CollectionFeature.Require(absent = ALLOWS_NULL_VALUES)
  public void testFind_nullNotContainedAndUnsupported() {
    try {
      assertEquals(getMethodName() + "(nullNotPresent) should return -1 or throw", -1, find(null));
    } catch (NullPointerException tolerated) {
    }
  }

  @CollectionFeature.Require(ALLOWS_NULL_VALUES)
  @CollectionSize.Require(absent = ZERO)
  public void testFind_nonNullWhenNullContained() {

  }

  @CollectionFeature.Require(absent = ALLOWS_NULL_QUERIES)
  public void testContains_nullNotContainedAndUnsupported() {
    expectNullMissingWhenNullUnsupported("contains(null) should return false or throw");
  }

  @CollectionFeature.Require(ALLOWS_NULL_VALUES)
  @CollectionSize.Require(absent = ZERO)
  public void testContains_nonNullWhenNullContained() {
    initCollectionWithNullElement();

        } catch (XMLStreamException e) {
            throw new MetadataParseException(
                    e.getMessage(),
                    e.getLocation().getLineNumber(),
                    e.getLocation().getColumnNumber(),
                    e);
        }
    }

    @Override
    public Metadata read(InputStream input, Map<String, ?> options) throws IOException {

          val certificateBytes = line.decodeBase64() ?: throw IOException("Corrupt certificate in cache entry")
          bytes.write(certificateBytes)
          result.add(certificateFactory.generateCertificate(bytes.inputStream()))
        }
        return result
      } catch (e: CertificateException) {
        throw IOException(e.message)
      }
    }

    @Throws(IOException::class)
    private fun writeCertList(

        } else if (nonce.length == 16) {
            // For GCM cipher, use full 16-byte nonce
            System.arraycopy(nonce, 0, this.nonce, 0, 16);
        } else {
            throw new IllegalArgumentException("Nonce must be 12 bytes (CCM) or 16 bytes (GCM)");
        }
        this.originalMessageSize = originalMessageSize;
        this.flags = flags;
        this.sessionId = sessionId;
    }

            if (artifactoryUrl.isEmpty()) {
                throw GradleException("artifactoryUrl is not set!")
            }
            if (artifactoryUserName.isNullOrEmpty()) {
                throw GradleException("artifactoryUserName is not set!")
            }
            if (artifactoryUserPassword.isNullOrEmpty()) {
                throw GradleException("artifactoryUserPassword is not set!")
            }
        }

                }
            }
            return null;
        } catch (InvocationTargetException e) {
            throw new IntrospectionException(e.getTargetException());
        } catch (AmbiguousException | IllegalAccessException e) {
            throw new IntrospectionException(e);
        }
    }

    private static ClassMap getClassMap(Class<?> clazz) {

                try {
                    project.setDependencyArtifacts(artifactFactory.createArtifacts(project));
                } catch (InvalidDependencyVersionException e) {
                    throw new LifecycleExecutionException(e);
                }
            }

            Set<Artifact> resolvedArtifacts = resolveProjectArtifacts(