@Bean
    public AccessTokenManager accessTokenManager(final HttpConfig httpConfig, @Qualifier("httpSyncClient") final OkHttpClient okHttpClient) {
        return new AccessTokenManager(okHttpClient, httpConfig);
    }
AccessTokenManager.

@param httpConfig   the http config.
@param okHttpClient the rest okHttpClient.
@return the access token manager.
shenyu-spring-boot-starter/shenyu-spring-boot-starter-sync-data-center/shenyu-spring-boot-starter-sync-data-http/src/main/java/org/apache/shenyu/springboot/starter/sync/data/http/HttpSyncDataConfiguration.java