https://github.com/Terracotta-OSS/statistics: A statistics framework used inside Ehcache and the Terracotta products 
public interface org.terracotta.context.ContextListener
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.terracotta.context.ContextListener
  super_class: java.lang.Object
{
  public abstract void graphAdded(org.terracotta.context.TreeNode, org.terracotta.context.TreeNode);
    descriptor: (Lorg/terracotta/context/TreeNode;Lorg/terracotta/context/TreeNode;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      parent  
      added   

  public abstract void graphRemoved(org.terracotta.context.TreeNode, org.terracotta.context.TreeNode);
    descriptor: (Lorg/terracotta/context/TreeNode;Lorg/terracotta/context/TreeNode;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
         Name  Flags
      parent   
      removed  
}
SourceFile: "ContextListener.java"