code: @SuppressWarnings({ "rawtypes", "unchecked" })
  	public <T> void remapField(Class<T> type, String fromJava, String toJson) {
  		JsonWriterI map = this.getWrite(type);
  		if (!(map instanceof BeansWriterASMRemap)) {
  			map = new BeansWriterASMRemap();
  			registerWriter(map, type);
  		}
  		((BeansWriterASMRemap) map).renameField(fromJava, toJson);
  	}
docs: remap field name in custom classes
  
  @param fromJava
  field name in java
  @param toJson
  field name in json
  @since 2.1.1