https://github.com/Terracotta-OSS/statistics: A statistics framework used inside Ehcache and the Terracotta products 
public interface org.terracotta.context.ContextManager$Association
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.terracotta.context.ContextManager$Association
  super_class: java.lang.Object
{
  public abstract org.terracotta.context.ContextManager$Association withChild(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lorg/terracotta/context/ContextManager$Association;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
       Name  Flags
      child  

  public abstract org.terracotta.context.ContextManager$Association withParent(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lorg/terracotta/context/ContextManager$Association;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      parent  
}
SourceFile: "ContextManager.java"
NestHost: org.terracotta.context.ContextManager
InnerClasses:
  public abstract Association = org.terracotta.context.ContextManager$Association of org.terracotta.context.ContextManager