code: JCorsConfig buildConfig() {
  
  		JCorsConfig config = new JCorsConfig();
  
  		if (enableNonCorsRequests != null) {
  			config.setEnableNonCorsRequests(enableNonCorsRequests);
  		}
  
  		if (resourcesSupportCredentials != null) {
  			config.setResourcesSupportCredentials(resourcesSupportCredentials);
  		}
  
  		if (preflightResultCacheMaxAge != null) {
  			config.setPreflightResultCacheMaxAge(preflightResultCacheMaxAge);
  		}
  
  		setAllowedOrigins(config);
  		setAllowedHeaders(config);
  		setAllowedMethods(config);
  		setExposedHeaders(config);
  
  		return config;
  	}
docs: Build a new configuration
  
  @return