final Map<E, Integer> backingMap = new HashMap<>();

    @Override
    public int size() {
      return Multisets.linearTimeSizeImpl(this);
    }

    @Override
    public void clear() {
      throw new UnsupportedOperationException();
    }

    @Override
    public int count(@Nullable Object element) {
      for (Entry<E> entry : entrySet()) {
        if (Objects.equals(entry.getElement(), element)) {

    }
  }

  private static <E extends @Nullable Object> E getElementOrThrow(@Nullable Entry<E> entry) {
    if (entry == null) {
      throw new NoSuchElementException();
    }
    return entry.getElement();
  }

  private static <E extends @Nullable Object> @Nullable E getElementOrNull(
      @Nullable Entry<E> entry) {

        // check that groovy is visible.
        try {
            getClass().getClassLoader().loadClass("groovy.lang.Closure");
        } catch (ClassNotFoundException e) {
            throw UncheckedException.throwAsUncheckedException(e);
        }
    }

    /**
     * Resolves the names in the given type into fully qualified names.
     */

     * @param maxClientFactorySize The maximum size.
     */
    public void setMaxClientFactorySize(final int maxClientFactorySize) {
        if (maxClientFactorySize <= 0) {
            throw new IllegalArgumentException("maxClientFactorySize must be positive.");
        }
        this.maxClientFactorySize = maxClientFactorySize;
    }

                            .getPluginDescriptor()
                            .getLifecycleMappings()
                            .values()));
                } catch (Exception e) {
                    throw new RuntimeException("Unable to load plugin lifecycles", e);
                }
            }

            @Override
            public ClassLoader getClassLoader() {

    public static MavenOptions layerMavenOptions(Collection<MavenOptions> options) {
        List<MavenOptions> o = options.stream().filter(Objects::nonNull).toList();
        if (o.isEmpty()) {
            throw new IllegalArgumentException("No options specified (or all were null)");
        } else if (o.size() == 1) {
            return o.get(0);
        } else {
            return new LayeredMavenOptions<>(o);
        }
    }

                    visitTree(classDetails, classesDir, jarOutputStream, visited)
                }
            }
        } catch (exception: Exception) {
            throw ClassAnalysisException("Could not write shaded Jar $jarFile", exception)
        }
    }

    private
    fun visitTree(
        classDetails: ClassDetails,
        classesDir: File,

        dstIndex += 4;

        SMBUtil.writeInt2(dstIndex - getHeaderStart(), dst, dataOffsetOffset);

        if (dstIndex + this.dataLength > dst.length) {
            throw new IllegalArgumentException(
                    String.format("Data exceeds buffer size ( remain buffer: %d data length: %d)", dst.length - dstIndex, this.dataLength));
        }

                MavenArtifactProperties.LOCAL_PATH));

        // == sanity check
        if (result.size() != org.apache.maven.api.DependencyScope.values().length - 1) { // sans "undefined"
            throw new IllegalStateException("Maven4 API dependency scope mismatch");
        }

        return result;
    }

    @Override
    public Collection<org.eclipse.aether.scope.ResolutionScope> buildResolutionScopes(

                for (Error err : e.getValue()) {
                    sb.append("    line ").append(err.line).append(": ").append(err.message).append("\n");
                }
            }
            throw new GradleException(sb.toString());
        }
    }

    private static final java.util.regex.Pattern SOURCE_LANG_PATTERN =
        java.util.regex.Pattern.compile(