http://ehcache.org: The Management and Monitoring module of Ehcache 3 (Terracotta Inc., a wholly-owned subsidiary of Software AG USA, Inc.) 
public interface org.ehcache.management.CollectorService$Collector
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.ehcache.management.CollectorService$Collector
  super_class: java.lang.Object
{
  public static final org.ehcache.management.CollectorService$Collector EMPTY;
    descriptor: Lorg/ehcache/management/CollectorService$Collector;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 18
            new java.lang.Error
            dup
            ldc "Unresolved compilation problems: \n\tThe import org.ehcache.spi cannot be resolved\n\tThe import org.terracotta cannot be resolved\n\tThe import org.terracotta cannot be resolved\n\tService cannot be resolved to a type\n\tThe type new CollectorService.Collector(){} must implement the inherited abstract method CollectorService.Collector.onStatistics(Collection<ContextualStatistics>)\n\tThe type new CollectorService.Collector(){} must implement the inherited abstract method CollectorService.Collector.onNotification(ContextualNotification)\n\tContextualNotification cannot be resolved to a type\n\tName clash: The method onStatistics(Collection<ContextualStatistics>) of type new CollectorService.Collector(){} has the same erasure as onStatistics(Collection<ContextualStatistics>) of type CollectorService.Collector but does not override it\n\tThe method onStatistics(Collection<ContextualStatistics>) of type new CollectorService.Collector(){} must override or implement a supertype method\n\tContextualStatistics cannot be resolved to a type\n\tContextualNotification cannot be resolved to a type\n\tContextualStatistics cannot be resolved to a type\n"
            invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
            athrow
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public abstract void onNotification(ContextualNotification);
    descriptor: (LContextualNotification;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
              Name  Flags
      notification  

  public abstract void onStatistics(java.util.Collection<ContextualStatistics>);
    descriptor: (Ljava/util/Collection;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (Ljava/util/Collection<LContextualStatistics;>;)V
    MethodParameters:
            Name  Flags
      statistics  
}
SourceFile: "CollectorService.java"
NestHost: org.ehcache.management.CollectorService
InnerClasses:
  public abstract Collector = org.ehcache.management.CollectorService$Collector of org.ehcache.management.CollectorService