AnnotatedConverters.java 文件源码

public Builder add(Class<? extends Annotation> cls, Converter.Factory factory) {
  if (cls == null) {
    throw new NullPointerException("cls == null");
  }
  if (factory == null) {
    throw new NullPointerException("factory == null");
  }
  factories.put(cls, factory);
  return this;
}