*
 * <p>This class is not thread safe.
 *
 * @author Ben Yu
 */
abstract class TypeVisitor {

  private final Set<Type> visited = new HashSet<>();

  /**
   * Visits the given types. Null types are ignored. This allows subclasses to call {@code
   * visit(parameterizedType.getOwnerType())} safely without having to check nulls.
   */
  public final void visit(@Nullable Type... types) {

            "type" : "long"
          },
          "roles" : {
            "type" : "keyword"
          },
          "searchWord" : {
            "type" : "keyword"
          },
          "user" : {
            "type" : "keyword"
          },
          "userAgent" : {
            "type" : "keyword"
          },
          "userInfoId" : {
            "type" : "keyword"
          },

                    type = localityName,
                    value = "San Francisco",
                  ),
                ),
                listOf(
                  AttributeTypeAndValue(
                    type = country,
                    value = "US",
                  ),
                ),
                listOf(
                  AttributeTypeAndValue(
                    type = stateOrProvince,

    /**
     * Creates a Type-3 message in response to the given Type-2 message.
     *
     * @param type2 the Type-2 message to respond to
     * @param password the user's password
     * @param domain the domain name
     * @param user the username
     * @param workstation the workstation name
     * @param flags the flags to use for the Type-3 message
     */

     */
    Toolchain getToolchainFromBuildContext(String type, MavenSession context);

    /**
     * Select all toolchains available in user settings matching the type and requirements,
     * independently from <code>maven-toolchains-plugin</code>.
     *
     * @param session the Maven session, must not be {@code null}
     * @param type the type, must not be {@code null}

   * input of type {@code C}.
   *
   * <p>The default implementation throws {@code NoSuchElementException}.
   *
   * @return the minimum value of type {@code C}; never null
   * @throws NoSuchElementException if the type has no (practical) minimum value; for example,
   *     {@link java.math.BigInteger}
   */
  @CanIgnoreReturnValue
  public C minValue() {

   * Returns a new array of the given length with the specified component type.
   *
   * @param type the component type
   * @param length the length of the new array
   */
  @GwtIncompatible // Array.newInstance(Class, int)
  @SuppressWarnings("unchecked")
  public static <T extends @Nullable Object> T[] newArray(Class<@NonNull T> type, int length) {
    return (T[]) Array.newInstance(type, length);
  }

  /**

	// label to "s3".

	m.Set(apiRejectedAuthTotal, float64(httpStats.TotalS3RejectedAuth), "type", "s3")
	m.Set(apiRejectedTimestampTotal, float64(httpStats.TotalS3RejectedTime), "type", "s3")
	m.Set(apiRejectedHeaderTotal, float64(httpStats.TotalS3RejectedHeader), "type", "s3")
	m.Set(apiRejectedInvalidTotal, float64(httpStats.TotalS3RejectedInvalid), "type", "s3")
	m.Set(apiRequestsWaitingTotal, float64(httpStats.S3RequestsInQueue), "type", "s3")

      "parentUrl": {
        "type": "keyword"
      },
      "method": {
        "type": "keyword"
      },
      "mimeType": {
        "type": "keyword"
      },
      "sessionId": {
        "type": "keyword"
      },
      "url": {
        "type": "keyword"
      },
      "executionTime": {
        "type": "long"
      },
      "createTime": {
        "type": "long"
      },

          <association>
            <type>Activation</type>
          </association>
        </field>
        <field>
          <name>properties</name>
          <description>Extended configuration specific to this profile goes
            here.</description>
          <type>Properties</type>
          <association xml.mapStyle="inline">
            <type>String</type>
            <multiplicity>*</multiplicity>