apollo-client-config-data/src/main/java/com/ctrip/framework/apollo/config/data/extension/properties/ApolloClientExtensionProperties.java/ApolloClientExtensionProperties/setMessagingType
class ApolloClientExtensionProperties:  public void setMessagingType(
      ApolloClientMessagingType messagingType) {
    this.messagingType = messagingType;
  }