Method weigh

android/guava/src/com/google/common/cache/Weigher.java:34–34

Returns the weight of a cache entry. There is no unit for entry weights; rather they are simply relative to each other. @return the weight of the entry; must be non-negative

(K key, V value)

   * @return the weight of the entry; must be non-negative
   */
  int weigh(K key, V value);
}