Method getSubtypeFromLowerBounds

output/java_guava/1.4.19/TypeToken.java:1128–1136

(Class<?> subclass, Type[] lowerBounds)

  private TypeToken<? extends T> getSubtypeFromLowerBounds(Class<?> subclass, Type[] lowerBounds) {
    for (Type lowerBound : lowerBounds) {
      @SuppressWarnings("unchecked") // T's lower bound is <? extends T>
      TypeToken<? extends T> bound = (TypeToken<? extends T>) of(lowerBound);
      // Java supports only one lowerbound anyway.
      return bound.getSubtype(subclass);
    }
    throw new IllegalArgumentException(subclass + " isn't a subclass of " + this);
  }


  private TypeToken<? super T> getArraySupertype(Class<? super T> supertype) {