如何支持Pactflow中的“oneOf”关键字？

在Pactflow中，使用“oneOf”关键字可以指示提供者端响应体的某个字段可以接受不同的多个值类型。可以通过在消费者端的Pact文件中使用“oneOf”关键字，来确保消费者访问提供者API时获得正确的响应。以下是使用Java语言的代码示例：

import au.com.dius.pact.provider.junit5.PactVerificationContext;
import au.com.dius.pact.provider.junit5.Provider;
import au.com.dius.pact.provider.junit5.State;
import au.com.dius.pact.provider.junit5.StateChangeAction;
import au.com.dius.pact.provider.junit5.StateChangeActionBuilder;
import au.com.dius.pact.provider.junit5.StateChangeActions;
import au.com.dius.pact.provider.junit5.StateHandlers;
import au.com.dius.pact.provider.junit5.StateHandlers.PactVerificationState;
import au.com.dius.pact.provider.junit5.VerificationReports;
import au.com.dius.pact.provider.junit5.Verifies;
import au.com.dius.pact.provider.junitsupport.Consumer;
import au.com.dius.pact.provider.junitsupport.IgnoreNoPactsToVerify;
import au.com.dius.pact.provider.junitsupport.loader.PactFolder;
import au.com.dius.pact.provider.junitsupport.target.MockServerTarget;
import au.com.dius.pact.provider.junitsupport.target.Target;
import au.com.dius.pact.provider.junitsupport.target.TestTarget;
import org.apache.http.HttpRequest;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockserver.client.MockServerClient;
import org.mockserver.junit.jupiter.MockServerExtension;
import org.mockserver.model.ClearType;
import org.mockserver.model.Header;
import org.mockserver.model.HttpRequest;
import org.mockserver.model.HttpResponse;
import org.mockserver.verify.VerificationTimes;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import java.util.function.Consumer;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.comparesEqualTo;
import static org.hamcrest.Matchers.hasEntry;
import static org.hamcrest.Matchers.hasSize;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.notNullValue;
import static org.junit.jupiter.api.Assertions.assertAll;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

@ExtendWith(MockServerExtension.class)
@Provider("users_service")
@Consumer("users_consumer")
@PactFolder("pacts_with_one_of")
@VerificationReports(value = {"console", "verification-report"})
@IgnoreNoPactsToVerify
class ContractVerificationTest {
    @BeforeEach
    void setup(MockServerClient client) {
        client.clear(ClearType.LOG);
        client.reset();
    }

    @StateHandlers
    class StateHandlers {
        private static final String TOKEN = "validToken";

        @PactVerificationState("User with id '123' exists")
        public StateChangeAction userExists() {
            return StateChangeActionBuilder
                    .create("Create user with id '123'", "userExists")
                    .withSetUp(this::createUser)
                    .withTearDown(this::deleteUser)
                    .build();
        }

        private void createUser() {
            System.out.println("Creating user