extends AbstractMapTester<K, V> {

  @Override
  protected BiMap<K, V> getMap() {
    return (BiMap<K, V>) super.getMap();
  }

  static <K extends @Nullable Object, V extends @Nullable Object> Entry<V, K> reverseEntry(
      Entry<K, V> entry) {
    return mapEntry(entry.getValue(), entry.getKey());
  }

  @Override
  protected void expectContents(Collection<Entry<K, V>> expected) {

/*
 * Copyright (C) 2019 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

    @Override public MediaType contentType() {
      return responseBody.contentType();
    }

    @Override public long contentLength() {
      return responseBody.contentLength();
    }

    @Override public BufferedSource source() {
      if (bufferedSource == null) {
        bufferedSource = Okio.buffer(source(responseBody.source()));
      }
      return bufferedSource;
    }

        }
        if (result && os.getVersion() != null) {
            result = determineVersionMatch(os.getVersion());
        }
        return result;
    }

    private boolean ensureAtLeastOneNonNull(ActivationOS os) {
        return os.getArch() != null || os.getFamily() != null || os.getName() != null || os.getVersion() != null;
    }

    private boolean determineVersionMatch(String version) {

 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an

 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an

/*
 * Copyright (C) 2022 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

            return null;
        }

        if (conflictResolver == null) {
            return null;
        }

        if (requestType.equals(MetadataResolutionRequestTypeEnum.classpathCompile)) {
            return conflictResolver.resolveConflicts(getGraph(), ArtifactScopeEnum.compile);
        } else if (requestType.equals(MetadataResolutionRequestTypeEnum.classpathRuntime)) {

                return artifacts;
            }

            @Override
            public boolean equals(Object o) {
                return o instanceof DefaultArtifactInstallerRequest that && Objects.equals(artifacts, that.artifacts);
            }

            @Override
            public int hashCode() {
                return Objects.hashCode(artifacts);
            }

    }

    @Override
    public boolean isFatalErrorEnabled() {
        return logger.isErrorEnabled();
    }

    /**
     * <b>Warning</b>: ignored (always return <code>0 == Logger.LEVEL_DEBUG</code>).
     */
    @Override
    public int getThreshold() {
        return 0;
    }

    /**
     * <b>Warning</b>: ignored.
     */
    @Override