https://github.com/Terracotta-OSS/statistics: A statistics framework used inside Ehcache and the Terracotta products 
public class org.terracotta.statistics.registry.StatisticRegistry
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.terracotta.statistics.registry.StatisticRegistry
  super_class: java.lang.Object
{
  private final java.lang.Object contextObject;
    descriptor: Ljava/lang/Object;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.function.LongSupplier timeSource;
    descriptor: Ljava/util/function/LongSupplier;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.Map<java.lang.String, org.terracotta.statistics.ValueStatistic<? extends java.io.Serializable>> statistics;
    descriptor: Ljava/util/Map;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Map<Ljava/lang/String;Lorg/terracotta/statistics/ValueStatistic<+Ljava/io/Serializable;>;>;

  public void <init>(java.lang.Object, java.util.function.LongSupplier);
    descriptor: (Ljava/lang/Object;Ljava/util/function/LongSupplier;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.terracotta.statistics.registry.StatisticRegistry this
        start local 1 // java.lang.Object contextObject
        start local 2 // java.util.function.LongSupplier timeSource
         0: .line 70
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 68
            aload 0 /* this */
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            putfield org.terracotta.statistics.registry.StatisticRegistry.statistics:Ljava/util/Map;
         2: .line 71
            aload 0 /* this */
            aload 1 /* contextObject */
            putfield org.terracotta.statistics.registry.StatisticRegistry.contextObject:Ljava/lang/Object;
         3: .line 72
            aload 0 /* this */
            aload 2 /* timeSource */
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.util.function.LongSupplier
            putfield org.terracotta.statistics.registry.StatisticRegistry.timeSource:Ljava/util/function/LongSupplier;
         4: .line 73
            return
        end local 2 // java.util.function.LongSupplier timeSource
        end local 1 // java.lang.Object contextObject
        end local 0 // org.terracotta.statistics.registry.StatisticRegistry this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    5     0           this  Lorg/terracotta/statistics/registry/StatisticRegistry;
            0    5     1  contextObject  Ljava/lang/Object;
            0    5     2     timeSource  Ljava/util/function/LongSupplier;
    MethodParameters:
               Name  Flags
      contextObject  
      timeSource     

  protected java.util.Map<java.lang.String, org.terracotta.statistics.ValueStatistic<? extends java.io.Serializable>> getStatistics();
    descriptor: ()Ljava/util/Map;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.terracotta.statistics.registry.StatisticRegistry this
         0: .line 76
            aload 0 /* this */
            getfield org.terracotta.statistics.registry.StatisticRegistry.statistics:Ljava/util/Map;
            areturn
        end local 0 // org.terracotta.statistics.registry.StatisticRegistry this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/terracotta/statistics/registry/StatisticRegistry;
    Signature: ()Ljava/util/Map<Ljava/lang/String;Lorg/terracotta/statistics/ValueStatistic<+Ljava/io/Serializable;>;>;

  public <T extends java.io.Serializable> java.util.Optional<org.terracotta.statistics.registry.Statistic<T>> queryStatistic(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/util/Optional;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.terracotta.statistics.registry.StatisticRegistry this
        start local 1 // java.lang.String fullStatisticName
         0: .line 83
            aload 0 /* this */
            aload 1 /* fullStatisticName */
            lconst_0
            invokevirtual org.terracotta.statistics.registry.StatisticRegistry.queryStatistic:(Ljava/lang/String;J)Ljava/util/Optional;
            areturn
        end local 1 // java.lang.String fullStatisticName
        end local 0 // org.terracotta.statistics.registry.StatisticRegistry this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    1     0               this  Lorg/terracotta/statistics/registry/StatisticRegistry;
            0    1     1  fullStatisticName  Ljava/lang/String;
    Signature: <T::Ljava/io/Serializable;>(Ljava/lang/String;)Ljava/util/Optional<Lorg/terracotta/statistics/registry/Statistic<TT;>;>;
    MethodParameters:
                   Name  Flags
      fullStatisticName  

  public <T extends java.io.Serializable> java.util.Optional<org.terracotta.statistics.registry.Statistic<T>> queryStatistic(java.lang.String, long);
    descriptor: (Ljava/lang/String;J)Ljava/util/Optional;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=3
        start local 0 // org.terracotta.statistics.registry.StatisticRegistry this
        start local 1 // java.lang.String fullStatisticName
        start local 2 // long sinceMillis
         0: .line 91
            aload 0 /* this */
            getfield org.terracotta.statistics.registry.StatisticRegistry.statistics:Ljava/util/Map;
            aload 1 /* fullStatisticName */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.terracotta.statistics.ValueStatistic
            astore 4 /* valueStatistic */
        start local 4 // org.terracotta.statistics.ValueStatistic valueStatistic
         1: .line 92
            aload 4 /* valueStatistic */
            ifnonnull 3
         2: .line 93
            invokestatic java.util.Optional.empty:()Ljava/util/Optional;
            areturn
         3: .line 95
      StackMap locals: org.terracotta.statistics.ValueStatistic
      StackMap stack:
            aload 4 /* valueStatistic */
            lload 2 /* sinceMillis */
            aload 0 /* this */
            getfield org.terracotta.statistics.registry.StatisticRegistry.timeSource:Ljava/util/function/LongSupplier;
            invokeinterface java.util.function.LongSupplier.getAsLong:()J
            invokestatic org.terracotta.statistics.registry.Statistic.extract:(Lorg/terracotta/statistics/ValueStatistic;JJ)Lorg/terracotta/statistics/registry/Statistic;
            invokestatic java.util.Optional.of:(Ljava/lang/Object;)Ljava/util/Optional;
            areturn
        end local 4 // org.terracotta.statistics.ValueStatistic valueStatistic
        end local 2 // long sinceMillis
        end local 1 // java.lang.String fullStatisticName
        end local 0 // org.terracotta.statistics.registry.StatisticRegistry this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    4     0               this  Lorg/terracotta/statistics/registry/StatisticRegistry;
            0    4     1  fullStatisticName  Ljava/lang/String;
            0    4     2        sinceMillis  J
            1    4     4     valueStatistic  Lorg/terracotta/statistics/ValueStatistic<TT;>;
    Signature: <T::Ljava/io/Serializable;>(Ljava/lang/String;J)Ljava/util/Optional<Lorg/terracotta/statistics/registry/Statistic<TT;>;>;
    MethodParameters:
                   Name  Flags
      fullStatisticName  
      sinceMillis        

  public java.util.Map<java.lang.String, org.terracotta.statistics.registry.Statistic<? extends java.io.Serializable>> queryStatistics();
    descriptor: ()Ljava/util/Map;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.terracotta.statistics.registry.StatisticRegistry this
         0: .line 99
            aload 0 /* this */
            lconst_0
            invokevirtual org.terracotta.statistics.registry.StatisticRegistry.queryStatistics:(J)Ljava/util/Map;
            areturn
        end local 0 // org.terracotta.statistics.registry.StatisticRegistry this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/terracotta/statistics/registry/StatisticRegistry;
    Signature: ()Ljava/util/Map<Ljava/lang/String;Lorg/terracotta/statistics/registry/Statistic<+Ljava/io/Serializable;>;>;

  public java.util.Map<java.lang.String, org.terracotta.statistics.registry.Statistic<? extends java.io.Serializable>> queryStatistics(long);
    descriptor: (J)Ljava/util/Map;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=5, args_size=2
        start local 0 // org.terracotta.statistics.registry.StatisticRegistry this
        start local 1 // long sinceMillis
         0: .line 104
            aload 0 /* this */
            getfield org.terracotta.statistics.registry.StatisticRegistry.timeSource:Ljava/util/function/LongSupplier;
            invokeinterface java.util.function.LongSupplier.getAsLong:()J
            lstore 3 /* now */
        start local 3 // long now
         1: .line 105
            aload 0 /* this */
            getfield org.terracotta.statistics.registry.StatisticRegistry.statistics:Ljava/util/Map;
            invokeinterface java.util.Map.entrySet:()Ljava/util/Set;
            invokeinterface java.util.Set.stream:()Ljava/util/stream/Stream;
            invokedynamic apply()Ljava/util/function/Function;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)Ljava/lang/Object;
                  java/util/Map$Entry.getKey()Ljava/lang/Object; (9 itf)
                  (Ljava/util/Map$Entry;)Ljava/lang/String;
            lload 1 /* sinceMillis */
            lload 3 /* now */
            invokedynamic apply(JJ)Ljava/util/function/Function;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)Ljava/lang/Object;
                  org/terracotta/statistics/registry/StatisticRegistry.lambda$1(JJLjava/util/Map$Entry;)Lorg/terracotta/statistics/registry/Statistic; (6)
                  (Ljava/util/Map$Entry;)Lorg/terracotta/statistics/registry/Statistic;
            invokestatic java.util.stream.Collectors.toMap:(Ljava/util/function/Function;Ljava/util/function/Function;)Ljava/util/stream/Collector;
            invokeinterface java.util.stream.Stream.collect:(Ljava/util/stream/Collector;)Ljava/lang/Object;
            checkcast java.util.Map
            areturn
        end local 3 // long now
        end local 1 // long sinceMillis
        end local 0 // org.terracotta.statistics.registry.StatisticRegistry this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    2     0         this  Lorg/terracotta/statistics/registry/StatisticRegistry;
            0    2     1  sinceMillis  J
            1    2     3          now  J
    Signature: (J)Ljava/util/Map<Ljava/lang/String;Lorg/terracotta/statistics/registry/Statistic<+Ljava/io/Serializable;>;>;
    MethodParameters:
             Name  Flags
      sinceMillis  

  public <T extends java.io.Serializable> void registerStatistic(java.lang.String, org.terracotta.statistics.StatisticType, java.util.function.Supplier<T>);
    descriptor: (Ljava/lang/String;Lorg/terracotta/statistics/StatisticType;Ljava/util/function/Supplier;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // org.terracotta.statistics.registry.StatisticRegistry this
        start local 1 // java.lang.String fullStatName
        start local 2 // org.terracotta.statistics.StatisticType type
        start local 3 // java.util.function.Supplier accessor
         0: .line 109
            aload 0 /* this */
            aload 1 /* fullStatName */
            aload 2 /* type */
            aload 3 /* accessor */
            invokestatic org.terracotta.statistics.ValueStatistics.supply:(Lorg/terracotta/statistics/StatisticType;Ljava/util/function/Supplier;)Lorg/terracotta/statistics/ValueStatistic;
            invokevirtual org.terracotta.statistics.registry.StatisticRegistry.registerStatistic:(Ljava/lang/String;Lorg/terracotta/statistics/ValueStatistic;)V
         1: .line 110
            return
        end local 3 // java.util.function.Supplier accessor
        end local 2 // org.terracotta.statistics.StatisticType type
        end local 1 // java.lang.String fullStatName
        end local 0 // org.terracotta.statistics.registry.StatisticRegistry this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    2     0          this  Lorg/terracotta/statistics/registry/StatisticRegistry;
            0    2     1  fullStatName  Ljava/lang/String;
            0    2     2          type  Lorg/terracotta/statistics/StatisticType;
            0    2     3      accessor  Ljava/util/function/Supplier<TT;>;
    Signature: <T::Ljava/io/Serializable;>(Ljava/lang/String;Lorg/terracotta/statistics/StatisticType;Ljava/util/function/Supplier<TT;>;)V
    MethodParameters:
              Name  Flags
      fullStatName  
      type          
      accessor      

  public <T extends java.io.Serializable> void registerStatistic(java.lang.String, org.terracotta.statistics.ValueStatistic<T>);
    descriptor: (Ljava/lang/String;Lorg/terracotta/statistics/ValueStatistic;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // org.terracotta.statistics.registry.StatisticRegistry this
        start local 1 // java.lang.String fullStatName
        start local 2 // org.terracotta.statistics.ValueStatistic accessor
         0: .line 113
            aload 0 /* this */
            getfield org.terracotta.statistics.registry.StatisticRegistry.statistics:Ljava/util/Map;
            aload 1 /* fullStatName */
            aload 2 /* accessor */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            ifnull 2
         1: .line 114
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Found duplicate statistic "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* fullStatName */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 116
      StackMap locals:
      StackMap stack:
            return
        end local 2 // org.terracotta.statistics.ValueStatistic accessor
        end local 1 // java.lang.String fullStatName
        end local 0 // org.terracotta.statistics.registry.StatisticRegistry this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    3     0          this  Lorg/terracotta/statistics/registry/StatisticRegistry;
            0    3     1  fullStatName  Ljava/lang/String;
            0    3     2      accessor  Lorg/terracotta/statistics/ValueStatistic<TT;>;
    Signature: <T::Ljava/io/Serializable;>(Ljava/lang/String;Lorg/terracotta/statistics/ValueStatistic<TT;>;)V
    MethodParameters:
              Name  Flags
      fullStatName  
      accessor      

  public void registerTable(java.lang.String, java.util.function.Supplier<org.terracotta.statistics.Table>);
    descriptor: (Ljava/lang/String;Ljava/util/function/Supplier;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.terracotta.statistics.registry.StatisticRegistry this
        start local 1 // java.lang.String fullStatName
        start local 2 // java.util.function.Supplier accessor
         0: .line 122
            aload 0 /* this */
            aload 1 /* fullStatName */
            aload 2 /* accessor */
            invokestatic org.terracotta.statistics.ValueStatistics.table:(Ljava/util/function/Supplier;)Lorg/terracotta/statistics/ValueStatistic;
            invokevirtual org.terracotta.statistics.registry.StatisticRegistry.registerStatistic:(Ljava/lang/String;Lorg/terracotta/statistics/ValueStatistic;)V
         1: .line 123
            return
        end local 2 // java.util.function.Supplier accessor
        end local 1 // java.lang.String fullStatName
        end local 0 // org.terracotta.statistics.registry.StatisticRegistry this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    2     0          this  Lorg/terracotta/statistics/registry/StatisticRegistry;
            0    2     1  fullStatName  Ljava/lang/String;
            0    2     2      accessor  Ljava/util/function/Supplier<Lorg/terracotta/statistics/Table;>;
    Signature: (Ljava/lang/String;Ljava/util/function/Supplier<Lorg/terracotta/statistics/Table;>;)V
    MethodParameters:
              Name  Flags
      fullStatName  
      accessor      

  public void registerGauge(java.lang.String, java.util.function.Supplier<java.lang.Number>);
    descriptor: (Ljava/lang/String;Ljava/util/function/Supplier;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.terracotta.statistics.registry.StatisticRegistry this
        start local 1 // java.lang.String fullStatName
        start local 2 // java.util.function.Supplier accessor
         0: .line 129
            aload 0 /* this */
            aload 1 /* fullStatName */
            aload 2 /* accessor */
            invokestatic org.terracotta.statistics.ValueStatistics.gauge:(Ljava/util/function/Supplier;)Lorg/terracotta/statistics/ValueStatistic;
            invokevirtual org.terracotta.statistics.registry.StatisticRegistry.registerStatistic:(Ljava/lang/String;Lorg/terracotta/statistics/ValueStatistic;)V
         1: .line 130
            return
        end local 2 // java.util.function.Supplier accessor
        end local 1 // java.lang.String fullStatName
        end local 0 // org.terracotta.statistics.registry.StatisticRegistry this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    2     0          this  Lorg/terracotta/statistics/registry/StatisticRegistry;
            0    2     1  fullStatName  Ljava/lang/String;
            0    2     2      accessor  Ljava/util/function/Supplier<Ljava/lang/Number;>;
    Signature: (Ljava/lang/String;Ljava/util/function/Supplier<Ljava/lang/Number;>;)V
    MethodParameters:
              Name  Flags
      fullStatName  
      accessor      

  public void registerCounter(java.lang.String, java.util.function.Supplier<java.lang.Number>);
    descriptor: (Ljava/lang/String;Ljava/util/function/Supplier;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.terracotta.statistics.registry.StatisticRegistry this
        start local 1 // java.lang.String fullStatName
        start local 2 // java.util.function.Supplier accessor
         0: .line 136
            aload 0 /* this */
            aload 1 /* fullStatName */
            aload 2 /* accessor */
            invokestatic org.terracotta.statistics.ValueStatistics.counter:(Ljava/util/function/Supplier;)Lorg/terracotta/statistics/ValueStatistic;
            invokevirtual org.terracotta.statistics.registry.StatisticRegistry.registerStatistic:(Ljava/lang/String;Lorg/terracotta/statistics/ValueStatistic;)V
         1: .line 137
            return
        end local 2 // java.util.function.Supplier accessor
        end local 1 // java.lang.String fullStatName
        end local 0 // org.terracotta.statistics.registry.StatisticRegistry this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    2     0          this  Lorg/terracotta/statistics/registry/StatisticRegistry;
            0    2     1  fullStatName  Ljava/lang/String;
            0    2     2      accessor  Ljava/util/function/Supplier<Ljava/lang/Number;>;
    Signature: (Ljava/lang/String;Ljava/util/function/Supplier<Ljava/lang/Number;>;)V
    MethodParameters:
              Name  Flags
      fullStatName  
      accessor      

  public <T extends java.io.Serializable> boolean registerStatistic(java.lang.String, org.terracotta.statistics.registry.ValueStatisticDescriptor);
    descriptor: (Ljava/lang/String;Lorg/terracotta/statistics/registry/ValueStatisticDescriptor;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=11, args_size=3
        start local 0 // org.terracotta.statistics.registry.StatisticRegistry this
        start local 1 // java.lang.String statNameSuffix
        start local 2 // org.terracotta.statistics.registry.ValueStatisticDescriptor descriptor
         0: .line 142
            aload 0 /* this */
            getfield org.terracotta.statistics.registry.StatisticRegistry.contextObject:Ljava/lang/Object;
            ifnonnull 2
         1: .line 143
            iconst_0
            ireturn
         2: .line 145
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.terracotta.statistics.registry.StatisticRegistry.contextObject:Ljava/lang/Object;
            invokestatic org.terracotta.context.ContextManager.nodeFor:(Ljava/lang/Object;)Lorg/terracotta/context/TreeNode;
            astore 3 /* treeNode */
        start local 3 // org.terracotta.context.TreeNode treeNode
         3: .line 146
            aload 3 /* treeNode */
            ifnonnull 5
         4: .line 147
            iconst_0
            ireturn
         5: .line 150
      StackMap locals: org.terracotta.context.TreeNode
      StackMap stack:
            invokestatic org.terracotta.context.query.QueryBuilder.queryBuilder:()Lorg/terracotta/context/query/QueryBuilder;
         6: .line 151
            invokevirtual org.terracotta.context.query.QueryBuilder.descendants:()Lorg/terracotta/context/query/QueryBuilder;
            iconst_2
            anewarray org.terracotta.context.query.Matcher
            dup
            iconst_0
         7: .line 153
            ldc "name"
            aload 2 /* descriptor */
            invokevirtual org.terracotta.statistics.registry.ValueStatisticDescriptor.getObserverName:()Ljava/lang/String;
            invokestatic org.terracotta.context.query.Matchers.hasAttribute:(Ljava/lang/String;Ljava/lang/Object;)Lorg/terracotta/context/query/Matcher;
            aastore
            dup
            iconst_1
         8: .line 154
            aload 0 /* this */
            aload 2 /* descriptor */
            invokevirtual org.terracotta.statistics.registry.ValueStatisticDescriptor.getTags:()Ljava/util/Set;
            invokevirtual org.terracotta.statistics.registry.StatisticRegistry.hasTags:(Ljava/util/Collection;)Lorg/terracotta/context/query/Matcher;
            aastore
         9: .line 152
            invokestatic org.terracotta.context.query.Matchers.allOf:([Lorg/terracotta/context/query/Matcher;)Lorg/terracotta/context/query/Matcher;
            invokestatic org.terracotta.context.query.Matchers.attributes:(Lorg/terracotta/context/query/Matcher;)Lorg/terracotta/context/query/Matcher;
            invokestatic org.terracotta.context.query.Matchers.context:(Lorg/terracotta/context/query/Matcher;)Lorg/terracotta/context/query/Matcher;
            invokevirtual org.terracotta.context.query.QueryBuilder.filter:(Lorg/terracotta/context/query/Matcher;)Lorg/terracotta/context/query/QueryBuilder;
        10: .line 155
            ldc Lorg/terracotta/statistics/ValueStatistic;
            invokestatic org.terracotta.context.query.Matchers.subclassOf:(Ljava/lang/Class;)Lorg/terracotta/context/query/Matcher;
            invokestatic org.terracotta.context.query.Matchers.identifier:(Lorg/terracotta/context/query/Matcher;)Lorg/terracotta/context/query/Matcher;
            invokestatic org.terracotta.context.query.Matchers.context:(Lorg/terracotta/context/query/Matcher;)Lorg/terracotta/context/query/Matcher;
            invokevirtual org.terracotta.context.query.QueryBuilder.filter:(Lorg/terracotta/context/query/Matcher;)Lorg/terracotta/context/query/QueryBuilder;
        11: .line 156
            invokevirtual org.terracotta.context.query.QueryBuilder.build:()Lorg/terracotta/context/query/Query;
            aload 3 /* treeNode */
            invokestatic java.util.Collections.singleton:(Ljava/lang/Object;)Ljava/util/Set;
            invokeinterface org.terracotta.context.query.Query.execute:(Ljava/util/Set;)Ljava/util/Set;
        12: .line 150
            astore 4 /* result */
        start local 4 // java.util.Set result
        13: .line 158
            aload 4 /* result */
            invokeinterface java.util.Set.isEmpty:()Z
            ifne 27
        14: .line 159
            aload 4 /* result */
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 6
            goto 25
      StackMap locals: org.terracotta.statistics.registry.StatisticRegistry java.lang.String org.terracotta.statistics.registry.ValueStatisticDescriptor org.terracotta.context.TreeNode java.util.Set top java.util.Iterator
      StackMap stack:
        15: aload 6
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.terracotta.context.TreeNode
            astore 5 /* node */
        start local 5 // org.terracotta.context.TreeNode node
        16: .line 160
            aconst_null
            astore 7 /* discriminator */
        start local 7 // java.lang.String discriminator
        17: .line 162
            aload 5 /* node */
            invokeinterface org.terracotta.context.TreeNode.getContext:()Lorg/terracotta/context/ContextElement;
            invokeinterface org.terracotta.context.ContextElement.attributes:()Ljava/util/Map;
            ldc "properties"
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.util.Map
            astore 8 /* properties */
        start local 8 // java.util.Map properties
        18: .line 163
            aload 8 /* properties */
            ifnull 20
            aload 8 /* properties */
            ldc "discriminator"
            invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
            ifeq 20
        19: .line 164
            aload 8 /* properties */
            ldc "discriminator"
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            invokevirtual java.lang.Object.toString:()Ljava/lang/String;
            astore 7 /* discriminator */
        20: .line 167
      StackMap locals: org.terracotta.statistics.registry.StatisticRegistry java.lang.String org.terracotta.statistics.registry.ValueStatisticDescriptor org.terracotta.context.TreeNode java.util.Set org.terracotta.context.TreeNode java.util.Iterator java.lang.String java.util.Map
      StackMap stack:
            new java.lang.StringBuilder
            dup
            aload 7 /* discriminator */
            ifnonnull 21
            ldc ""
            goto 22
      StackMap locals: org.terracotta.statistics.registry.StatisticRegistry java.lang.String org.terracotta.statistics.registry.ValueStatisticDescriptor org.terracotta.context.TreeNode java.util.Set org.terracotta.context.TreeNode java.util.Iterator java.lang.String java.util.Map
      StackMap stack: new 20 new 20
        21: new java.lang.StringBuilder
            dup
            aload 7 /* discriminator */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc ":"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
      StackMap locals: org.terracotta.statistics.registry.StatisticRegistry java.lang.String org.terracotta.statistics.registry.ValueStatisticDescriptor org.terracotta.context.TreeNode java.util.Set org.terracotta.context.TreeNode java.util.Iterator java.lang.String java.util.Map
      StackMap stack: new 20 new 20 java.lang.String
        22: invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* statNameSuffix */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            astore 9 /* fullStatName */
        start local 9 // java.lang.String fullStatName
        23: .line 168
            aload 5 /* node */
            invokeinterface org.terracotta.context.TreeNode.getContext:()Lorg/terracotta/context/ContextElement;
            invokeinterface org.terracotta.context.ContextElement.attributes:()Ljava/util/Map;
            ldc "this"
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.terracotta.statistics.ValueStatistic
            astore 10 /* statistic */
        start local 10 // org.terracotta.statistics.ValueStatistic statistic
        24: .line 170
            aload 0 /* this */
            aload 9 /* fullStatName */
            aload 10 /* statistic */
            invokevirtual org.terracotta.statistics.registry.StatisticRegistry.registerStatistic:(Ljava/lang/String;Lorg/terracotta/statistics/ValueStatistic;)V
        end local 10 // org.terracotta.statistics.ValueStatistic statistic
        end local 9 // java.lang.String fullStatName
        end local 8 // java.util.Map properties
        end local 7 // java.lang.String discriminator
        end local 5 // org.terracotta.context.TreeNode node
        25: .line 159
      StackMap locals: org.terracotta.statistics.registry.StatisticRegistry java.lang.String org.terracotta.statistics.registry.ValueStatisticDescriptor org.terracotta.context.TreeNode java.util.Set top java.util.Iterator
      StackMap stack:
            aload 6
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 15
        26: .line 172
            iconst_1
            ireturn
        27: .line 174
      StackMap locals: org.terracotta.statistics.registry.StatisticRegistry java.lang.String org.terracotta.statistics.registry.ValueStatisticDescriptor org.terracotta.context.TreeNode java.util.Set
      StackMap stack:
            iconst_0
            ireturn
        end local 4 // java.util.Set result
        end local 3 // org.terracotta.context.TreeNode treeNode
        end local 2 // org.terracotta.statistics.registry.ValueStatisticDescriptor descriptor
        end local 1 // java.lang.String statNameSuffix
        end local 0 // org.terracotta.statistics.registry.StatisticRegistry this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   28     0            this  Lorg/terracotta/statistics/registry/StatisticRegistry;
            0   28     1  statNameSuffix  Ljava/lang/String;
            0   28     2      descriptor  Lorg/terracotta/statistics/registry/ValueStatisticDescriptor;
            3   28     3        treeNode  Lorg/terracotta/context/TreeNode;
           13   28     4          result  Ljava/util/Set<Lorg/terracotta/context/TreeNode;>;
           16   25     5            node  Lorg/terracotta/context/TreeNode;
           17   25     7   discriminator  Ljava/lang/String;
           18   25     8      properties  Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;
           23   25     9    fullStatName  Ljava/lang/String;
           24   25    10       statistic  Lorg/terracotta/statistics/ValueStatistic<TT;>;
    Signature: <T::Ljava/io/Serializable;>(Ljava/lang/String;Lorg/terracotta/statistics/registry/ValueStatisticDescriptor;)Z
    MethodParameters:
                Name  Flags
      statNameSuffix  
      descriptor      

  public <T extends java.lang.Enum<T>> boolean registerStatistic(java.lang.String, org.terracotta.statistics.registry.OperationStatisticDescriptor<T>, java.util.EnumSet<T>);
    descriptor: (Ljava/lang/String;Lorg/terracotta/statistics/registry/OperationStatisticDescriptor;Ljava/util/EnumSet;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=12, args_size=4
        start local 0 // org.terracotta.statistics.registry.StatisticRegistry this
        start local 1 // java.lang.String statNameSuffix
        start local 2 // org.terracotta.statistics.registry.OperationStatisticDescriptor descriptor
        start local 3 // java.util.EnumSet outcomes
         0: .line 181
            aload 0 /* this */
            getfield org.terracotta.statistics.registry.StatisticRegistry.contextObject:Ljava/lang/Object;
            ifnonnull 2
         1: .line 182
            iconst_0
            ireturn
         2: .line 184
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.terracotta.statistics.registry.StatisticRegistry.contextObject:Ljava/lang/Object;
            invokestatic org.terracotta.context.ContextManager.nodeFor:(Ljava/lang/Object;)Lorg/terracotta/context/TreeNode;
            astore 4 /* treeNode */
        start local 4 // org.terracotta.context.TreeNode treeNode
         3: .line 185
            aload 4 /* treeNode */
            ifnonnull 5
         4: .line 186
            iconst_0
            ireturn
         5: .line 189
      StackMap locals: org.terracotta.context.TreeNode
      StackMap stack:
            invokestatic org.terracotta.context.query.QueryBuilder.queryBuilder:()Lorg/terracotta/context/query/QueryBuilder;
         6: .line 190
            invokevirtual org.terracotta.context.query.QueryBuilder.descendants:()Lorg/terracotta/context/query/QueryBuilder;
            iconst_3
            anewarray org.terracotta.context.query.Matcher
            dup
            iconst_0
         7: .line 192
            ldc "type"
            aload 2 /* descriptor */
            invokevirtual org.terracotta.statistics.registry.OperationStatisticDescriptor.getType:()Ljava/lang/Class;
            invokestatic org.terracotta.context.query.Matchers.hasAttribute:(Ljava/lang/String;Ljava/lang/Object;)Lorg/terracotta/context/query/Matcher;
            aastore
            dup
            iconst_1
         8: .line 193
            ldc "name"
            aload 2 /* descriptor */
            invokevirtual org.terracotta.statistics.registry.OperationStatisticDescriptor.getObserverName:()Ljava/lang/String;
            invokestatic org.terracotta.context.query.Matchers.hasAttribute:(Ljava/lang/String;Ljava/lang/Object;)Lorg/terracotta/context/query/Matcher;
            aastore
            dup
            iconst_2
         9: .line 194
            aload 0 /* this */
            aload 2 /* descriptor */
            invokevirtual org.terracotta.statistics.registry.OperationStatisticDescriptor.getTags:()Ljava/util/Set;
            invokevirtual org.terracotta.statistics.registry.StatisticRegistry.hasTags:(Ljava/util/Collection;)Lorg/terracotta/context/query/Matcher;
            aastore
        10: .line 191
            invokestatic org.terracotta.context.query.Matchers.allOf:([Lorg/terracotta/context/query/Matcher;)Lorg/terracotta/context/query/Matcher;
            invokestatic org.terracotta.context.query.Matchers.attributes:(Lorg/terracotta/context/query/Matcher;)Lorg/terracotta/context/query/Matcher;
            invokestatic org.terracotta.context.query.Matchers.context:(Lorg/terracotta/context/query/Matcher;)Lorg/terracotta/context/query/Matcher;
            invokevirtual org.terracotta.context.query.QueryBuilder.filter:(Lorg/terracotta/context/query/Matcher;)Lorg/terracotta/context/query/QueryBuilder;
        11: .line 195
            ldc Lorg/terracotta/statistics/OperationStatistic;
            invokestatic org.terracotta.context.query.Matchers.subclassOf:(Ljava/lang/Class;)Lorg/terracotta/context/query/Matcher;
            invokestatic org.terracotta.context.query.Matchers.identifier:(Lorg/terracotta/context/query/Matcher;)Lorg/terracotta/context/query/Matcher;
            invokestatic org.terracotta.context.query.Matchers.context:(Lorg/terracotta/context/query/Matcher;)Lorg/terracotta/context/query/Matcher;
            invokevirtual org.terracotta.context.query.QueryBuilder.filter:(Lorg/terracotta/context/query/Matcher;)Lorg/terracotta/context/query/QueryBuilder;
        12: .line 196
            invokevirtual org.terracotta.context.query.QueryBuilder.build:()Lorg/terracotta/context/query/Query;
            aload 4 /* treeNode */
            invokestatic java.util.Collections.singleton:(Ljava/lang/Object;)Ljava/util/Set;
            invokeinterface org.terracotta.context.query.Query.execute:(Ljava/util/Set;)Ljava/util/Set;
        13: .line 189
            astore 5 /* result */
        start local 5 // java.util.Set result
        14: .line 198
            aload 5 /* result */
            invokeinterface java.util.Set.isEmpty:()Z
            ifne 28
        15: .line 199
            aload 5 /* result */
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 7
            goto 26
      StackMap locals: org.terracotta.statistics.registry.StatisticRegistry java.lang.String org.terracotta.statistics.registry.OperationStatisticDescriptor java.util.EnumSet org.terracotta.context.TreeNode java.util.Set top java.util.Iterator
      StackMap stack:
        16: aload 7
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.terracotta.context.TreeNode
            astore 6 /* node */
        start local 6 // org.terracotta.context.TreeNode node
        17: .line 200
            aconst_null
            astore 8 /* discriminator */
        start local 8 // java.lang.String discriminator
        18: .line 202
            aload 6 /* node */
            invokeinterface org.terracotta.context.TreeNode.getContext:()Lorg/terracotta/context/ContextElement;
            invokeinterface org.terracotta.context.ContextElement.attributes:()Ljava/util/Map;
            ldc "properties"
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.util.Map
            astore 9 /* properties */
        start local 9 // java.util.Map properties
        19: .line 203
            aload 9 /* properties */
            ifnull 21
            aload 9 /* properties */
            ldc "discriminator"
            invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
            ifeq 21
        20: .line 204
            aload 9 /* properties */
            ldc "discriminator"
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            invokevirtual java.lang.Object.toString:()Ljava/lang/String;
            astore 8 /* discriminator */
        21: .line 207
      StackMap locals: org.terracotta.statistics.registry.StatisticRegistry java.lang.String org.terracotta.statistics.registry.OperationStatisticDescriptor java.util.EnumSet org.terracotta.context.TreeNode java.util.Set org.terracotta.context.TreeNode java.util.Iterator java.lang.String java.util.Map
      StackMap stack:
            new java.lang.StringBuilder
            dup
            aload 8 /* discriminator */
            ifnonnull 22
            ldc ""
            goto 23
      StackMap locals: org.terracotta.statistics.registry.StatisticRegistry java.lang.String org.terracotta.statistics.registry.OperationStatisticDescriptor java.util.EnumSet org.terracotta.context.TreeNode java.util.Set org.terracotta.context.TreeNode java.util.Iterator java.lang.String java.util.Map
      StackMap stack: new 21 new 21
        22: new java.lang.StringBuilder
            dup
            aload 8 /* discriminator */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc ":"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
      StackMap locals: org.terracotta.statistics.registry.StatisticRegistry java.lang.String org.terracotta.statistics.registry.OperationStatisticDescriptor java.util.EnumSet org.terracotta.context.TreeNode java.util.Set org.terracotta.context.TreeNode java.util.Iterator java.lang.String java.util.Map
      StackMap stack: new 21 new 21 java.lang.String
        23: invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* statNameSuffix */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            astore 10 /* fullStatName */
        start local 10 // java.lang.String fullStatName
        24: .line 208
            aload 6 /* node */
            invokeinterface org.terracotta.context.TreeNode.getContext:()Lorg/terracotta/context/ContextElement;
            invokeinterface org.terracotta.context.ContextElement.attributes:()Ljava/util/Map;
            ldc "this"
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.terracotta.statistics.OperationStatistic
            astore 11 /* statistic */
        start local 11 // org.terracotta.statistics.OperationStatistic statistic
        25: .line 210
            aload 0 /* this */
            aload 10 /* fullStatName */
            aload 11 /* statistic */
            aload 3 /* outcomes */
            invokeinterface org.terracotta.statistics.OperationStatistic.statistic:(Ljava/util/Set;)Lorg/terracotta/statistics/ValueStatistic;
            invokevirtual org.terracotta.statistics.registry.StatisticRegistry.registerStatistic:(Ljava/lang/String;Lorg/terracotta/statistics/ValueStatistic;)V
        end local 11 // org.terracotta.statistics.OperationStatistic statistic
        end local 10 // java.lang.String fullStatName
        end local 9 // java.util.Map properties
        end local 8 // java.lang.String discriminator
        end local 6 // org.terracotta.context.TreeNode node
        26: .line 199
      StackMap locals: org.terracotta.statistics.registry.StatisticRegistry java.lang.String org.terracotta.statistics.registry.OperationStatisticDescriptor java.util.EnumSet org.terracotta.context.TreeNode java.util.Set top java.util.Iterator
      StackMap stack:
            aload 7
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 16
        27: .line 212
            iconst_1
            ireturn
        28: .line 214
      StackMap locals: org.terracotta.statistics.registry.StatisticRegistry java.lang.String org.terracotta.statistics.registry.OperationStatisticDescriptor java.util.EnumSet org.terracotta.context.TreeNode java.util.Set
      StackMap stack:
            iconst_0
            ireturn
        end local 5 // java.util.Set result
        end local 4 // org.terracotta.context.TreeNode treeNode
        end local 3 // java.util.EnumSet outcomes
        end local 2 // org.terracotta.statistics.registry.OperationStatisticDescriptor descriptor
        end local 1 // java.lang.String statNameSuffix
        end local 0 // org.terracotta.statistics.registry.StatisticRegistry this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   29     0            this  Lorg/terracotta/statistics/registry/StatisticRegistry;
            0   29     1  statNameSuffix  Ljava/lang/String;
            0   29     2      descriptor  Lorg/terracotta/statistics/registry/OperationStatisticDescriptor<TT;>;
            0   29     3        outcomes  Ljava/util/EnumSet<TT;>;
            3   29     4        treeNode  Lorg/terracotta/context/TreeNode;
           14   29     5          result  Ljava/util/Set<Lorg/terracotta/context/TreeNode;>;
           17   26     6            node  Lorg/terracotta/context/TreeNode;
           18   26     8   discriminator  Ljava/lang/String;
           19   26     9      properties  Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;
           24   26    10    fullStatName  Ljava/lang/String;
           25   26    11       statistic  Lorg/terracotta/statistics/OperationStatistic<TT;>;
    Signature: <T:Ljava/lang/Enum<TT;>;>(Ljava/lang/String;Lorg/terracotta/statistics/registry/OperationStatisticDescriptor<TT;>;Ljava/util/EnumSet<TT;>;)Z
    MethodParameters:
                Name  Flags
      statNameSuffix  
      descriptor      final
      outcomes        final

  private org.terracotta.context.query.Matcher<java.util.Map<java.lang.String, java.lang.Object>> hasTags(java.util.Collection<java.lang.String>);
    descriptor: (Ljava/util/Collection;)Lorg/terracotta/context/query/Matcher;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.terracotta.statistics.registry.StatisticRegistry this
        start local 1 // java.util.Collection tags
         0: .line 219
            ldc "tags"
            new org.terracotta.statistics.registry.StatisticRegistry$1
            dup
            aload 0 /* this */
            aload 1 /* tags */
            invokespecial org.terracotta.statistics.registry.StatisticRegistry$1.<init>:(Lorg/terracotta/statistics/registry/StatisticRegistry;Ljava/util/Collection;)V
            invokestatic org.terracotta.context.query.Matchers.hasAttribute:(Ljava/lang/String;Lorg/terracotta/context/query/Matcher;)Lorg/terracotta/context/query/Matcher;
            areturn
        end local 1 // java.util.Collection tags
        end local 0 // org.terracotta.statistics.registry.StatisticRegistry this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/terracotta/statistics/registry/StatisticRegistry;
            0    1     1  tags  Ljava/util/Collection<Ljava/lang/String;>;
    Signature: (Ljava/util/Collection<Ljava/lang/String;>;)Lorg/terracotta/context/query/Matcher<Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;>;
    MethodParameters:
      Name  Flags
      tags  final

  private static org.terracotta.statistics.registry.Statistic lambda$1(long, long, java.util.Map$Entry);
    descriptor: (JJLjava/util/Map$Entry;)Lorg/terracotta/statistics/registry/Statistic;
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=5, locals=5, args_size=3
        start local 4 // java.util.Map$Entry e
         0: .line 105
            aload 4 /* e */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast org.terracotta.statistics.ValueStatistic
            lload 0
            lload 2
            invokestatic org.terracotta.statistics.registry.Statistic.extract:(Lorg/terracotta/statistics/ValueStatistic;JJ)Lorg/terracotta/statistics/registry/Statistic;
            areturn
        end local 4 // java.util.Map$Entry e
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     4     e  Ljava/util/Map$Entry<Ljava/lang/String;Lorg/terracotta/statistics/ValueStatistic<+Ljava/io/Serializable;>;>;
}
SourceFile: "StatisticRegistry.java"
NestMembers:
  org.terracotta.statistics.registry.StatisticRegistry$1
InnerClasses:
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles
  public abstract Entry = java.util.Map$Entry of java.util.Map
  org.terracotta.statistics.registry.StatisticRegistry$1