import javax.inject.Singleton;
import javax.xml.stream.XMLStreamException;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.nio.file.Files;
import java.util.Map;
import java.util.Objects;

import org.apache.maven.api.toolchain.InputSource;
import org.apache.maven.toolchain.model.PersistedToolchains;
import org.apache.maven.toolchain.v4.MavenToolchainsStaxReader;

/**

    //                                                                   Map Communication
    //                                                                   =================
    @Override
    public void acceptPrimaryKeyMap(Entity entity, Map<String, ? extends Object> primaryKeyMap) {
    }

    @Override
    public void acceptAllColumnMap(Entity entity, Map<String, ? extends Object> allColumnMap) {
    }

    @Override

            return new Map[0];
        }
    }

    protected void addToArrayIndex(final String index, final String type, final String id, final Map<String, Object> source) {
        final String actualIndex = index + "." + type.toLowerCase(Locale.ENGLISH);
        try {
            final XContentBuilder builder = JsonXContent.contentBuilder().map(source);
            builder.flush();

  static <K extends @Nullable Object, V extends @Nullable Object> void writeMap(
      Map<K, V> map, ObjectOutputStream stream) throws IOException {
    stream.writeInt(map.size());
    for (Map.Entry<K, V> entry : map.entrySet()) {
      stream.writeObject(entry.getKey());
      stream.writeObject(entry.getValue());
    }
  }

  /**
   * Populates a map by reading an input stream, as part of deserialization. See {@link #writeMap}

        return connection.getRequestProperty(key);
    }

    public Map getRequestProperties() {
        Map map = new HashMap();
        Iterator entries = requestProperties.entrySet().iterator();
        while (entries.hasNext()) {
            Map.Entry entry = (Map.Entry) entries.next();
            map.put(entry.getKey(),
                    Collections.unmodifiableList((List) entry.getValue()));
        }

        this.dependencyNode = dependencyNode;
    }

    /**
     * The map of artifacts accessible by the versionlessKey, i.e. groupId:artifactId
     *
     * @return a Map of artifacts, never {@code null}
     * @see #getArtifacts()
     */
    public Map<String, Artifact> getArtifactMap() {
        if (artifactMap == null) {

		switch values := db.Statement.Dest.(type) {
		case map[string]interface{}:
			values[pkFieldName] = insertID
		case *map[string]interface{}:
			(*values)[pkFieldName] = insertID
		case []map[string]interface{}, *[]map[string]interface{}:
			mapValues, ok := values.([]map[string]interface{})
			if !ok {
				if v, ok := values.(*[]map[string]interface{}); ok {
					if *v != nil {
						mapValues = *v
					}

    private final RegularImmutableMap<K, ?> map;

    KeySet(RegularImmutableMap<K, ?> map) {
      this.map = map;
    }

    @Override
    K get(int index) {
      return map.entries[index].getKey();
    }

    @Override
    public boolean contains(@CheckForNull Object object) {
      return map.containsKey(object);
    }

    @Override

			path:   kmsKeyCreatePath,
			query:  map[string]string{"key-id": "master-key-id"},
		},
		{
			name:   "GET key list",
			method: http.MethodGet,
			path:   kmsKeyListPath,
			query:  map[string]string{"pattern": "*"},
		},
		{
			name:   "GET key status",
			method: http.MethodGet,
			path:   kmsKeyStatusPath,
			query:  map[string]string{"key-id": "master-key-id"},
		},
	}

    protected <RESULT extends Group> RESULT createEntity(final Map<String, Object> source, final Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setName(DfTypeUtil.toString(source.get("name")));
            result.setAttributes(source.entrySet().stream().filter(e -> !"name".equals(e.getKey()))