then:
        configurationHash1 != configurationHash2

        1 * apiClassExtractor1.appendConfigurationToHasher(_) >> { args -> args[0].putString("first") }
        1 * apiClassExtractor2.appendConfigurationToHasher(_) >> { args -> args[0].putString("second") }
    }

    @Issue("https://github.com/gradle/gradle/issues/20398")

        super(identifier, hasher -> {
            contentNormalizer.appendConfigurationToHasher(hasher);
            hasher.putInt(directorySensitivity.ordinal());
        });
        this.directorySensitivity = directorySensitivity;
    }

    protected DirectorySensitivity getDirectorySensitivity() {

        return hashZipContents(fileSnapshotContext.getSnapshot());
    }

    @Override
    public void appendConfigurationToHasher(Hasher hasher) {
        hasher.putString(getClass().getName());
        resourceHasher.appendConfigurationToHasher(hasher);
    }

    @Nullable
    private HashCode hashZipContents(RegularFileSnapshot zipFileSnapshot) {
        try {

        this.ignores = ignores;
    }

    @Override
    public boolean shouldBeIgnored(String entry) {
        return ignores.contains(entry);
    }

    @Override
    public void appendConfigurationToHasher(Hasher hasher) {
        hasher.putString(getClass().getName());
        for (String ignore : ignores) {
            hasher.putString(ignore);
        }
    }

import org.gradle.internal.hash.Hasher;

/**
 * A resource normalizer which is configurable.
 *
 * Allows tracking changes to its configuration.
 */
public interface ConfigurableNormalizer {
    void appendConfigurationToHasher(Hasher hasher);

            if (ignoreSpec.matches(relativePath, 0)) {
                return true;
            }
        }
        return false;
    }

    @Override
    public void appendConfigurationToHasher(Hasher hasher) {
        hasher.putString(getClass().getName());
        for (String ignore : ignores) {
            hasher.putString(ignore);
        }
    }

    @Override

        @Override
        public boolean shouldBeIgnored(String entry) {
            return false;
        }

        @Override
        public void appendConfigurationToHasher(Hasher hasher) {
            hasher.putString(getClass().getName());
        }
    };

    boolean shouldBeIgnored(String entry);

        @Nullable
        @Override
        public HashCode hash(FileSystemLocationSnapshot snapshot) {
            return snapshot.getHash();
        }

        @Override
        public void appendConfigurationToHasher(Hasher hasher) {
            hasher.putString(getClass().getName());
        }
    };

    }

    private boolean isNotClassFile(String name) {
        return !name.endsWith(".class");
    }

    @Override
    public void appendConfigurationToHasher(Hasher hasher) {
        hasher.putString(getClass().getName());
        extractor.appendConfigurationToHasher(hasher);
    }

    private static class ZipEntryContent {
        final String name;
        final byte[] content;

    public FallbackHandlingResourceHasher(ResourceHasher delegate) {
        this.delegate = delegate;
    }

    @Override
    public void appendConfigurationToHasher(Hasher hasher) {
        delegate.appendConfigurationToHasher(hasher);
        hasher.putString(this.getClass().getName());
    }

    @Nullable
    @Override