http://ehcache.org: The Core module of Ehcache 3 (Terracotta Inc., a wholly-owned subsidiary of Software AG USA, Inc.) 
public interface org.ehcache.core.spi.store.heap.SizeOfEngine
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.ehcache.core.spi.store.heap.SizeOfEngine
  super_class: java.lang.Object
{
  public abstract <K, V> long sizeof(K, org.ehcache.core.spi.store.Store$ValueHolder<V>);
    descriptor: (Ljava/lang/Object;Lorg/ehcache/core/spi/store/Store$ValueHolder;)J
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws org.ehcache.core.spi.store.heap.LimitExceededException
    Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>(TK;Lorg/ehcache/core/spi/store/Store$ValueHolder<TV;>;)J
    MethodParameters:
        Name  Flags
      key     
      holder  
}
SourceFile: "SizeOfEngine.java"
InnerClasses:
  public abstract ValueHolder = org.ehcache.core.spi.store.Store$ValueHolder of org.ehcache.core.spi.store.Store