TypeResolverBuilder.java 文件源码

/**
 * Initialization method that is called right after constructing
 * the builder instance.
 *
 * @param idType Which type metadata is used
 * @param res (optional) Custom type id resolver used, if any
 * 
 * @return Resulting builder instance (usually this builder,
 *   but not necessarily)
 */
public T init(JsonTypeInfo.Id idType, TypeIdResolver res);