public class javax.imageio.spi.ServiceRegistry
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: javax.imageio.spi.ServiceRegistry
  super_class: java.lang.Object
{
  private java.util.Map<java.lang.Class<?>, javax.imageio.spi.SubRegistry> categoryMap;
    descriptor: Ljava/util/Map;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljava/util/Map<Ljava/lang/Class<*>;Ljavax/imageio/spi/SubRegistry;>;

  public void <init>(java.util.Iterator<java.lang.Class<?>>);
    descriptor: (Ljava/util/Iterator;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=2
        start local 0 // javax.imageio.spi.ServiceRegistry this
        start local 1 // java.util.Iterator categories
         0: .line 111
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 96
            aload 0 /* this */
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            putfield javax.imageio.spi.ServiceRegistry.categoryMap:Ljava/util/Map;
         2: .line 112
            aload 1 /* categories */
            ifnonnull 8
         3: .line 113
            new java.lang.IllegalArgumentException
            dup
            ldc "categories == null!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 116
      StackMap locals: javax.imageio.spi.ServiceRegistry java.util.Iterator
      StackMap stack:
            aload 1 /* categories */
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.Class
            astore 2 /* category */
        start local 2 // java.lang.Class category
         5: .line 117
            aload 2 /* category */
            invokestatic javax.imageio.spi.ServiceRegistry.checkClassAllowed:(Ljava/lang/Class;)V
         6: .line 118
            new javax.imageio.spi.SubRegistry
            dup
            aload 0 /* this */
            aload 2 /* category */
            invokespecial javax.imageio.spi.SubRegistry.<init>:(Ljavax/imageio/spi/ServiceRegistry;Ljava/lang/Class;)V
            astore 3 /* reg */
        start local 3 // javax.imageio.spi.SubRegistry reg
         7: .line 119
            aload 0 /* this */
            getfield javax.imageio.spi.ServiceRegistry.categoryMap:Ljava/util/Map;
            aload 2 /* category */
            aload 3 /* reg */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 3 // javax.imageio.spi.SubRegistry reg
        end local 2 // java.lang.Class category
         8: .line 115
      StackMap locals:
      StackMap stack:
            aload 1 /* categories */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 4
         9: .line 121
            return
        end local 1 // java.util.Iterator categories
        end local 0 // javax.imageio.spi.ServiceRegistry this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   10     0        this  Ljavax/imageio/spi/ServiceRegistry;
            0   10     1  categories  Ljava/util/Iterator<Ljava/lang/Class<*>;>;
            5    8     2    category  Ljava/lang/Class<*>;
            7    8     3         reg  Ljavax/imageio/spi/SubRegistry;
    Signature: (Ljava/util/Iterator<Ljava/lang/Class<*>;>;)V
    MethodParameters:
            Name  Flags
      categories  

  public static <T> java.util.Iterator<T> lookupProviders(java.lang.Class<T>, java.lang.ClassLoader);
    descriptor: (Ljava/lang/Class;Ljava/lang/ClassLoader;)Ljava/util/Iterator;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // java.lang.Class providerClass
        start local 1 // java.lang.ClassLoader loader
         0: .line 167
            aload 0 /* providerClass */
            ifnonnull 2
         1: .line 168
            new java.lang.IllegalArgumentException
            dup
            ldc "providerClass == null!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 170
      StackMap locals:
      StackMap stack:
            aload 0 /* providerClass */
            invokestatic javax.imageio.spi.ServiceRegistry.checkClassAllowed:(Ljava/lang/Class;)V
         3: .line 171
            aload 0 /* providerClass */
            aload 1 /* loader */
            invokestatic java.util.ServiceLoader.load:(Ljava/lang/Class;Ljava/lang/ClassLoader;)Ljava/util/ServiceLoader;
            invokevirtual java.util.ServiceLoader.iterator:()Ljava/util/Iterator;
            areturn
        end local 1 // java.lang.ClassLoader loader
        end local 0 // java.lang.Class providerClass
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    4     0  providerClass  Ljava/lang/Class<TT;>;
            0    4     1         loader  Ljava/lang/ClassLoader;
    Signature: <T:Ljava/lang/Object;>(Ljava/lang/Class<TT;>;Ljava/lang/ClassLoader;)Ljava/util/Iterator<TT;>;
    MethodParameters:
               Name  Flags
      providerClass  
      loader         

  public static <T> java.util.Iterator<T> lookupProviders(java.lang.Class<T>);
    descriptor: (Ljava/lang/Class;)Ljava/util/Iterator;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.lang.Class providerClass
         0: .line 204
            aload 0 /* providerClass */
            ifnonnull 2
         1: .line 205
            new java.lang.IllegalArgumentException
            dup
            ldc "providerClass == null!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 207
      StackMap locals:
      StackMap stack:
            aload 0 /* providerClass */
            invokestatic javax.imageio.spi.ServiceRegistry.checkClassAllowed:(Ljava/lang/Class;)V
         3: .line 208
            aload 0 /* providerClass */
            invokestatic java.util.ServiceLoader.load:(Ljava/lang/Class;)Ljava/util/ServiceLoader;
            invokevirtual java.util.ServiceLoader.iterator:()Ljava/util/Iterator;
            areturn
        end local 0 // java.lang.Class providerClass
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    4     0  providerClass  Ljava/lang/Class<TT;>;
    Signature: <T:Ljava/lang/Object;>(Ljava/lang/Class<TT;>;)Ljava/util/Iterator<TT;>;
    MethodParameters:
               Name  Flags
      providerClass  

  public java.util.Iterator<java.lang.Class<?>> getCategories();
    descriptor: ()Ljava/util/Iterator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=1
        start local 0 // javax.imageio.spi.ServiceRegistry this
         0: .line 220
            aload 0 /* this */
            getfield javax.imageio.spi.ServiceRegistry.categoryMap:Ljava/util/Map;
            invokeinterface java.util.Map.keySet:()Ljava/util/Set;
            astore 1 /* keySet */
        start local 1 // java.util.Set keySet
         1: .line 221
            aload 1 /* keySet */
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            areturn
        end local 1 // java.util.Set keySet
        end local 0 // javax.imageio.spi.ServiceRegistry this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Ljavax/imageio/spi/ServiceRegistry;
            1    2     1  keySet  Ljava/util/Set<Ljava/lang/Class<*>;>;
    Signature: ()Ljava/util/Iterator<Ljava/lang/Class<*>;>;

  private java.util.Iterator<javax.imageio.spi.SubRegistry> getSubRegistries();
    descriptor: (Ljava/lang/Object;)Ljava/util/Iterator;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=5, args_size=2
        start local 0 // javax.imageio.spi.ServiceRegistry this
        start local 1 // java.lang.Object provider
         0: .line 229
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 2 /* l */
        start local 2 // java.util.List l
         1: .line 230
            aload 0 /* this */
            getfield javax.imageio.spi.ServiceRegistry.categoryMap:Ljava/util/Map;
            invokeinterface java.util.Map.keySet:()Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 4
            goto 5
      StackMap locals: javax.imageio.spi.ServiceRegistry java.lang.Object java.util.List top java.util.Iterator
      StackMap stack:
         2: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.Class
            astore 3 /* c */
        start local 3 // java.lang.Class c
         3: .line 231
            aload 3 /* c */
            aload 1 /* provider */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Class.isAssignableFrom:(Ljava/lang/Class;)Z
            ifeq 5
         4: .line 232
            aload 2 /* l */
            aload 0 /* this */
            getfield javax.imageio.spi.ServiceRegistry.categoryMap:Ljava/util/Map;
            aload 3 /* c */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast javax.imageio.spi.SubRegistry
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        end local 3 // java.lang.Class c
         5: .line 230
      StackMap locals:
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
         6: .line 235
            aload 2 /* l */
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            areturn
        end local 2 // java.util.List l
        end local 1 // java.lang.Object provider
        end local 0 // javax.imageio.spi.ServiceRegistry this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    7     0      this  Ljavax/imageio/spi/ServiceRegistry;
            0    7     1  provider  Ljava/lang/Object;
            1    7     2         l  Ljava/util/List<Ljavax/imageio/spi/SubRegistry;>;
            3    5     3         c  Ljava/lang/Class<*>;
    Signature: (Ljava/lang/Object;)Ljava/util/Iterator<Ljavax/imageio/spi/SubRegistry;>;
    MethodParameters:
          Name  Flags
      provider  

  public <T> boolean registerServiceProvider(T, java.lang.Class<T>);
    descriptor: (Ljava/lang/Object;Ljava/lang/Class;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // javax.imageio.spi.ServiceRegistry this
        start local 1 // java.lang.Object provider
        start local 2 // java.lang.Class category
         0: .line 266
            aload 1 /* provider */
            ifnonnull 2
         1: .line 267
            new java.lang.IllegalArgumentException
            dup
            ldc "provider == null!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 269
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield javax.imageio.spi.ServiceRegistry.categoryMap:Ljava/util/Map;
            aload 2 /* category */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast javax.imageio.spi.SubRegistry
            astore 3 /* reg */
        start local 3 // javax.imageio.spi.SubRegistry reg
         3: .line 270
            aload 3 /* reg */
            ifnonnull 5
         4: .line 271
            new java.lang.IllegalArgumentException
            dup
            ldc "category unknown!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 273
      StackMap locals: javax.imageio.spi.SubRegistry
      StackMap stack:
            aload 2 /* category */
            aload 1 /* provider */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Class.isAssignableFrom:(Ljava/lang/Class;)Z
            ifne 7
         6: .line 274
            new java.lang.ClassCastException
            dup
            invokespecial java.lang.ClassCastException.<init>:()V
            athrow
         7: .line 277
      StackMap locals:
      StackMap stack:
            aload 3 /* reg */
            aload 1 /* provider */
            invokevirtual javax.imageio.spi.SubRegistry.registerServiceProvider:(Ljava/lang/Object;)Z
            ireturn
        end local 3 // javax.imageio.spi.SubRegistry reg
        end local 2 // java.lang.Class category
        end local 1 // java.lang.Object provider
        end local 0 // javax.imageio.spi.ServiceRegistry this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    8     0      this  Ljavax/imageio/spi/ServiceRegistry;
            0    8     1  provider  TT;
            0    8     2  category  Ljava/lang/Class<TT;>;
            3    8     3       reg  Ljavax/imageio/spi/SubRegistry;
    Signature: <T:Ljava/lang/Object;>(TT;Ljava/lang/Class<TT;>;)Z
    MethodParameters:
          Name  Flags
      provider  
      category  

  public void registerServiceProvider(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=2
        start local 0 // javax.imageio.spi.ServiceRegistry this
        start local 1 // java.lang.Object provider
         0: .line 299
            aload 1 /* provider */
            ifnonnull 2
         1: .line 300
            new java.lang.IllegalArgumentException
            dup
            ldc "provider == null!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 302
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* provider */
            invokevirtual javax.imageio.spi.ServiceRegistry.getSubRegistries:(Ljava/lang/Object;)Ljava/util/Iterator;
            astore 2 /* regs */
        start local 2 // java.util.Iterator regs
         3: .line 303
            goto 6
         4: .line 304
      StackMap locals: java.util.Iterator
      StackMap stack:
            aload 2 /* regs */
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast javax.imageio.spi.SubRegistry
            astore 3 /* reg */
        start local 3 // javax.imageio.spi.SubRegistry reg
         5: .line 305
            aload 3 /* reg */
            aload 1 /* provider */
            invokevirtual javax.imageio.spi.SubRegistry.registerServiceProvider:(Ljava/lang/Object;)Z
            pop
        end local 3 // javax.imageio.spi.SubRegistry reg
         6: .line 303
      StackMap locals:
      StackMap stack:
            aload 2 /* regs */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 4
         7: .line 307
            return
        end local 2 // java.util.Iterator regs
        end local 1 // java.lang.Object provider
        end local 0 // javax.imageio.spi.ServiceRegistry this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    8     0      this  Ljavax/imageio/spi/ServiceRegistry;
            0    8     1  provider  Ljava/lang/Object;
            3    8     2      regs  Ljava/util/Iterator<Ljavax/imageio/spi/SubRegistry;>;
            5    6     3       reg  Ljavax/imageio/spi/SubRegistry;
    MethodParameters:
          Name  Flags
      provider  

  public void registerServiceProviders(java.util.Iterator<?>);
    descriptor: (Ljava/util/Iterator;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // javax.imageio.spi.ServiceRegistry this
        start local 1 // java.util.Iterator providers
         0: .line 330
            aload 1 /* providers */
            ifnonnull 3
         1: .line 331
            new java.lang.IllegalArgumentException
            dup
            ldc "provider == null!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 334
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* providers */
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            invokevirtual javax.imageio.spi.ServiceRegistry.registerServiceProvider:(Ljava/lang/Object;)V
         3: .line 333
      StackMap locals:
      StackMap stack:
            aload 1 /* providers */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
         4: .line 336
            return
        end local 1 // java.util.Iterator providers
        end local 0 // javax.imageio.spi.ServiceRegistry this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    5     0       this  Ljavax/imageio/spi/ServiceRegistry;
            0    5     1  providers  Ljava/util/Iterator<*>;
    Signature: (Ljava/util/Iterator<*>;)V
    MethodParameters:
           Name  Flags
      providers  

  public <T> boolean deregisterServiceProvider(T, java.lang.Class<T>);
    descriptor: (Ljava/lang/Object;Ljava/lang/Class;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // javax.imageio.spi.ServiceRegistry this
        start local 1 // java.lang.Object provider
        start local 2 // java.lang.Class category
         0: .line 369
            aload 1 /* provider */
            ifnonnull 2
         1: .line 370
            new java.lang.IllegalArgumentException
            dup
            ldc "provider == null!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 372
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield javax.imageio.spi.ServiceRegistry.categoryMap:Ljava/util/Map;
            aload 2 /* category */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast javax.imageio.spi.SubRegistry
            astore 3 /* reg */
        start local 3 // javax.imageio.spi.SubRegistry reg
         3: .line 373
            aload 3 /* reg */
            ifnonnull 5
         4: .line 374
            new java.lang.IllegalArgumentException
            dup
            ldc "category unknown!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 376
      StackMap locals: javax.imageio.spi.SubRegistry
      StackMap stack:
            aload 2 /* category */
            aload 1 /* provider */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Class.isAssignableFrom:(Ljava/lang/Class;)Z
            ifne 7
         6: .line 377
            new java.lang.ClassCastException
            dup
            invokespecial java.lang.ClassCastException.<init>:()V
            athrow
         7: .line 379
      StackMap locals:
      StackMap stack:
            aload 3 /* reg */
            aload 1 /* provider */
            invokevirtual javax.imageio.spi.SubRegistry.deregisterServiceProvider:(Ljava/lang/Object;)Z
            ireturn
        end local 3 // javax.imageio.spi.SubRegistry reg
        end local 2 // java.lang.Class category
        end local 1 // java.lang.Object provider
        end local 0 // javax.imageio.spi.ServiceRegistry this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    8     0      this  Ljavax/imageio/spi/ServiceRegistry;
            0    8     1  provider  TT;
            0    8     2  category  Ljava/lang/Class<TT;>;
            3    8     3       reg  Ljavax/imageio/spi/SubRegistry;
    Signature: <T:Ljava/lang/Object;>(TT;Ljava/lang/Class<TT;>;)Z
    MethodParameters:
          Name  Flags
      provider  
      category  

  public void deregisterServiceProvider(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=2
        start local 0 // javax.imageio.spi.ServiceRegistry this
        start local 1 // java.lang.Object provider
         0: .line 392
            aload 1 /* provider */
            ifnonnull 2
         1: .line 393
            new java.lang.IllegalArgumentException
            dup
            ldc "provider == null!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 395
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* provider */
            invokevirtual javax.imageio.spi.ServiceRegistry.getSubRegistries:(Ljava/lang/Object;)Ljava/util/Iterator;
            astore 2 /* regs */
        start local 2 // java.util.Iterator regs
         3: .line 396
            goto 6
         4: .line 397
      StackMap locals: java.util.Iterator
      StackMap stack:
            aload 2 /* regs */
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast javax.imageio.spi.SubRegistry
            astore 3 /* reg */
        start local 3 // javax.imageio.spi.SubRegistry reg
         5: .line 398
            aload 3 /* reg */
            aload 1 /* provider */
            invokevirtual javax.imageio.spi.SubRegistry.deregisterServiceProvider:(Ljava/lang/Object;)Z
            pop
        end local 3 // javax.imageio.spi.SubRegistry reg
         6: .line 396
      StackMap locals:
      StackMap stack:
            aload 2 /* regs */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 4
         7: .line 400
            return
        end local 2 // java.util.Iterator regs
        end local 1 // java.lang.Object provider
        end local 0 // javax.imageio.spi.ServiceRegistry this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    8     0      this  Ljavax/imageio/spi/ServiceRegistry;
            0    8     1  provider  Ljava/lang/Object;
            3    8     2      regs  Ljava/util/Iterator<Ljavax/imageio/spi/SubRegistry;>;
            5    6     3       reg  Ljavax/imageio/spi/SubRegistry;
    MethodParameters:
          Name  Flags
      provider  

  public boolean contains(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=2
        start local 0 // javax.imageio.spi.ServiceRegistry this
        start local 1 // java.lang.Object provider
         0: .line 415
            aload 1 /* provider */
            ifnonnull 2
         1: .line 416
            new java.lang.IllegalArgumentException
            dup
            ldc "provider == null!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 418
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* provider */
            invokevirtual javax.imageio.spi.ServiceRegistry.getSubRegistries:(Ljava/lang/Object;)Ljava/util/Iterator;
            astore 2 /* regs */
        start local 2 // java.util.Iterator regs
         3: .line 419
            goto 7
         4: .line 420
      StackMap locals: java.util.Iterator
      StackMap stack:
            aload 2 /* regs */
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast javax.imageio.spi.SubRegistry
            astore 3 /* reg */
        start local 3 // javax.imageio.spi.SubRegistry reg
         5: .line 421
            aload 3 /* reg */
            aload 1 /* provider */
            invokevirtual javax.imageio.spi.SubRegistry.contains:(Ljava/lang/Object;)Z
            ifeq 7
         6: .line 422
            iconst_1
            ireturn
        end local 3 // javax.imageio.spi.SubRegistry reg
         7: .line 419
      StackMap locals:
      StackMap stack:
            aload 2 /* regs */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 4
         8: .line 426
            iconst_0
            ireturn
        end local 2 // java.util.Iterator regs
        end local 1 // java.lang.Object provider
        end local 0 // javax.imageio.spi.ServiceRegistry this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    9     0      this  Ljavax/imageio/spi/ServiceRegistry;
            0    9     1  provider  Ljava/lang/Object;
            3    9     2      regs  Ljava/util/Iterator<Ljavax/imageio/spi/SubRegistry;>;
            5    7     3       reg  Ljavax/imageio/spi/SubRegistry;
    MethodParameters:
          Name  Flags
      provider  

  public <T> java.util.Iterator<T> getServiceProviders(java.lang.Class<T>, boolean);
    descriptor: (Ljava/lang/Class;Z)Ljava/util/Iterator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=5, args_size=3
        start local 0 // javax.imageio.spi.ServiceRegistry this
        start local 1 // java.lang.Class category
        start local 2 // boolean useOrdering
         0: .line 452
            aload 0 /* this */
            getfield javax.imageio.spi.ServiceRegistry.categoryMap:Ljava/util/Map;
            aload 1 /* category */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast javax.imageio.spi.SubRegistry
            astore 3 /* reg */
        start local 3 // javax.imageio.spi.SubRegistry reg
         1: .line 453
            aload 3 /* reg */
            ifnonnull 3
         2: .line 454
            new java.lang.IllegalArgumentException
            dup
            ldc "category unknown!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 457
      StackMap locals: javax.imageio.spi.SubRegistry
      StackMap stack:
            aload 3 /* reg */
            iload 2 /* useOrdering */
            invokevirtual javax.imageio.spi.SubRegistry.getServiceProviders:(Z)Ljava/util/Iterator;
            astore 4 /* it */
        start local 4 // java.util.Iterator it
         4: .line 458
            aload 4 /* it */
            areturn
        end local 4 // java.util.Iterator it
        end local 3 // javax.imageio.spi.SubRegistry reg
        end local 2 // boolean useOrdering
        end local 1 // java.lang.Class category
        end local 0 // javax.imageio.spi.ServiceRegistry this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    5     0         this  Ljavax/imageio/spi/ServiceRegistry;
            0    5     1     category  Ljava/lang/Class<TT;>;
            0    5     2  useOrdering  Z
            1    5     3          reg  Ljavax/imageio/spi/SubRegistry;
            4    5     4           it  Ljava/util/Iterator<TT;>;
    Signature: <T:Ljava/lang/Object;>(Ljava/lang/Class<TT;>;Z)Ljava/util/Iterator<TT;>;
    MethodParameters:
             Name  Flags
      category     
      useOrdering  

  public <T> java.util.Iterator<T> getServiceProviders(java.lang.Class<T>, javax.imageio.spi.ServiceRegistry$Filter, boolean);
    descriptor: (Ljava/lang/Class;Ljavax/imageio/spi/ServiceRegistry$Filter;Z)Ljava/util/Iterator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=6, args_size=4
        start local 0 // javax.imageio.spi.ServiceRegistry this
        start local 1 // java.lang.Class category
        start local 2 // javax.imageio.spi.ServiceRegistry$Filter filter
        start local 3 // boolean useOrdering
         0: .line 511
            aload 0 /* this */
            getfield javax.imageio.spi.ServiceRegistry.categoryMap:Ljava/util/Map;
            aload 1 /* category */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast javax.imageio.spi.SubRegistry
            astore 4 /* reg */
        start local 4 // javax.imageio.spi.SubRegistry reg
         1: .line 512
            aload 4 /* reg */
            ifnonnull 3
         2: .line 513
            new java.lang.IllegalArgumentException
            dup
            ldc "category unknown!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 515
      StackMap locals: javax.imageio.spi.SubRegistry
      StackMap stack:
            aload 0 /* this */
            aload 1 /* category */
            iload 3 /* useOrdering */
            invokevirtual javax.imageio.spi.ServiceRegistry.getServiceProviders:(Ljava/lang/Class;Z)Ljava/util/Iterator;
            astore 5 /* iter */
        start local 5 // java.util.Iterator iter
         4: .line 516
            new javax.imageio.spi.FilterIterator
            dup
            aload 5 /* iter */
            aload 2 /* filter */
            invokespecial javax.imageio.spi.FilterIterator.<init>:(Ljava/util/Iterator;Ljavax/imageio/spi/ServiceRegistry$Filter;)V
            areturn
        end local 5 // java.util.Iterator iter
        end local 4 // javax.imageio.spi.SubRegistry reg
        end local 3 // boolean useOrdering
        end local 2 // javax.imageio.spi.ServiceRegistry$Filter filter
        end local 1 // java.lang.Class category
        end local 0 // javax.imageio.spi.ServiceRegistry this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    5     0         this  Ljavax/imageio/spi/ServiceRegistry;
            0    5     1     category  Ljava/lang/Class<TT;>;
            0    5     2       filter  Ljavax/imageio/spi/ServiceRegistry$Filter;
            0    5     3  useOrdering  Z
            1    5     4          reg  Ljavax/imageio/spi/SubRegistry;
            4    5     5         iter  Ljava/util/Iterator<TT;>;
    Signature: <T:Ljava/lang/Object;>(Ljava/lang/Class<TT;>;Ljavax/imageio/spi/ServiceRegistry$Filter;Z)Ljava/util/Iterator<TT;>;
    MethodParameters:
             Name  Flags
      category     
      filter       
      useOrdering  

  public <T> T getServiceProviderByClass(java.lang.Class<T>);
    descriptor: (Ljava/lang/Class;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=6, args_size=2
        start local 0 // javax.imageio.spi.ServiceRegistry this
        start local 1 // java.lang.Class providerClass
         0: .line 538
            aload 1 /* providerClass */
            ifnonnull 2
         1: .line 539
            new java.lang.IllegalArgumentException
            dup
            ldc "providerClass == null!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 541
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield javax.imageio.spi.ServiceRegistry.categoryMap:Ljava/util/Map;
            invokeinterface java.util.Map.keySet:()Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 3
            goto 9
      StackMap locals: javax.imageio.spi.ServiceRegistry java.lang.Class top java.util.Iterator
      StackMap stack:
         3: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.Class
            astore 2 /* c */
        start local 2 // java.lang.Class c
         4: .line 542
            aload 2 /* c */
            aload 1 /* providerClass */
            invokevirtual java.lang.Class.isAssignableFrom:(Ljava/lang/Class;)Z
            ifeq 9
         5: .line 543
            aload 0 /* this */
            getfield javax.imageio.spi.ServiceRegistry.categoryMap:Ljava/util/Map;
            aload 2 /* c */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast javax.imageio.spi.SubRegistry
            astore 4 /* reg */
        start local 4 // javax.imageio.spi.SubRegistry reg
         6: .line 544
            aload 4 /* reg */
            aload 1 /* providerClass */
            invokevirtual javax.imageio.spi.SubRegistry.getServiceProviderByClass:(Ljava/lang/Class;)Ljava/lang/Object;
            astore 5 /* provider */
        start local 5 // java.lang.Object provider
         7: .line 545
            aload 5 /* provider */
            ifnull 9
         8: .line 546
            aload 5 /* provider */
            areturn
        end local 5 // java.lang.Object provider
        end local 4 // javax.imageio.spi.SubRegistry reg
        end local 2 // java.lang.Class c
         9: .line 541
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
        10: .line 550
            aconst_null
            areturn
        end local 1 // java.lang.Class providerClass
        end local 0 // javax.imageio.spi.ServiceRegistry this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   11     0           this  Ljavax/imageio/spi/ServiceRegistry;
            0   11     1  providerClass  Ljava/lang/Class<TT;>;
            4    9     2              c  Ljava/lang/Class<*>;
            6    9     4            reg  Ljavax/imageio/spi/SubRegistry;
            7    9     5       provider  TT;
    Signature: <T:Ljava/lang/Object;>(Ljava/lang/Class<TT;>;)TT;
    MethodParameters:
               Name  Flags
      providerClass  

  public <T> boolean setOrdering(java.lang.Class<T>, T, );
    descriptor: (Ljava/lang/Class;Ljava/lang/Object;Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=5, args_size=4
        start local 0 // javax.imageio.spi.ServiceRegistry this
        start local 1 // java.lang.Class category
        start local 2 // java.lang.Object firstProvider
        start local 3 // java.lang.Object secondProvider
         0: .line 584
            aload 2 /* firstProvider */
            ifnull 1
            aload 3 /* secondProvider */
            ifnonnull 2
         1: .line 585
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            ldc "provider is null!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 587
      StackMap locals:
      StackMap stack:
            aload 2 /* firstProvider */
            aload 3 /* secondProvider */
            if_acmpne 4
         3: .line 588
            new java.lang.IllegalArgumentException
            dup
            ldc "providers are the same!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 590
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield javax.imageio.spi.ServiceRegistry.categoryMap:Ljava/util/Map;
            aload 1 /* category */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast javax.imageio.spi.SubRegistry
            astore 4 /* reg */
        start local 4 // javax.imageio.spi.SubRegistry reg
         5: .line 591
            aload 4 /* reg */
            ifnonnull 7
         6: .line 592
            new java.lang.IllegalArgumentException
            dup
            ldc "category unknown!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         7: .line 594
      StackMap locals: javax.imageio.spi.SubRegistry
      StackMap stack:
            aload 4 /* reg */
            aload 2 /* firstProvider */
            invokevirtual javax.imageio.spi.SubRegistry.contains:(Ljava/lang/Object;)Z
            ifeq 10
         8: .line 595
            aload 4 /* reg */
            aload 3 /* secondProvider */
            invokevirtual javax.imageio.spi.SubRegistry.contains:(Ljava/lang/Object;)Z
            ifeq 10
         9: .line 596
            aload 4 /* reg */
            aload 2 /* firstProvider */
            aload 3 /* secondProvider */
            invokevirtual javax.imageio.spi.SubRegistry.setOrdering:(Ljava/lang/Object;Ljava/lang/Object;)Z
            ireturn
        10: .line 598
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        end local 4 // javax.imageio.spi.SubRegistry reg
        end local 3 // java.lang.Object secondProvider
        end local 2 // java.lang.Object firstProvider
        end local 1 // java.lang.Class category
        end local 0 // javax.imageio.spi.ServiceRegistry this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   11     0            this  Ljavax/imageio/spi/ServiceRegistry;
            0   11     1        category  Ljava/lang/Class<TT;>;
            0   11     2   firstProvider  TT;
            0   11     3  secondProvider  TT;
            5   11     4             reg  Ljavax/imageio/spi/SubRegistry;
    Signature: <T:Ljava/lang/Object;>(Ljava/lang/Class<TT;>;TT;TT;)Z
    MethodParameters:
                Name  Flags
      category        
      firstProvider   
      secondProvider  

  public <T> boolean unsetOrdering(java.lang.Class<T>, T, );
    descriptor: (Ljava/lang/Class;Ljava/lang/Object;Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=5, args_size=4
        start local 0 // javax.imageio.spi.ServiceRegistry this
        start local 1 // java.lang.Class category
        start local 2 // java.lang.Object firstProvider
        start local 3 // java.lang.Object secondProvider
         0: .line 630
            aload 2 /* firstProvider */
            ifnull 1
            aload 3 /* secondProvider */
            ifnonnull 2
         1: .line 631
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            ldc "provider is null!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 633
      StackMap locals:
      StackMap stack:
            aload 2 /* firstProvider */
            aload 3 /* secondProvider */
            if_acmpne 4
         3: .line 634
            new java.lang.IllegalArgumentException
            dup
            ldc "providers are the same!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 636
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield javax.imageio.spi.ServiceRegistry.categoryMap:Ljava/util/Map;
            aload 1 /* category */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast javax.imageio.spi.SubRegistry
            astore 4 /* reg */
        start local 4 // javax.imageio.spi.SubRegistry reg
         5: .line 637
            aload 4 /* reg */
            ifnonnull 7
         6: .line 638
            new java.lang.IllegalArgumentException
            dup
            ldc "category unknown!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         7: .line 640
      StackMap locals: javax.imageio.spi.SubRegistry
      StackMap stack:
            aload 4 /* reg */
            aload 2 /* firstProvider */
            invokevirtual javax.imageio.spi.SubRegistry.contains:(Ljava/lang/Object;)Z
            ifeq 10
         8: .line 641
            aload 4 /* reg */
            aload 3 /* secondProvider */
            invokevirtual javax.imageio.spi.SubRegistry.contains:(Ljava/lang/Object;)Z
            ifeq 10
         9: .line 642
            aload 4 /* reg */
            aload 2 /* firstProvider */
            aload 3 /* secondProvider */
            invokevirtual javax.imageio.spi.SubRegistry.unsetOrdering:(Ljava/lang/Object;Ljava/lang/Object;)Z
            ireturn
        10: .line 644
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        end local 4 // javax.imageio.spi.SubRegistry reg
        end local 3 // java.lang.Object secondProvider
        end local 2 // java.lang.Object firstProvider
        end local 1 // java.lang.Class category
        end local 0 // javax.imageio.spi.ServiceRegistry this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   11     0            this  Ljavax/imageio/spi/ServiceRegistry;
            0   11     1        category  Ljava/lang/Class<TT;>;
            0   11     2   firstProvider  TT;
            0   11     3  secondProvider  TT;
            5   11     4             reg  Ljavax/imageio/spi/SubRegistry;
    Signature: <T:Ljava/lang/Object;>(Ljava/lang/Class<TT;>;TT;TT;)Z
    MethodParameters:
                Name  Flags
      category        
      firstProvider   
      secondProvider  

  public void deregisterAll(java.lang.Class<?>);
    descriptor: (Ljava/lang/Class;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // javax.imageio.spi.ServiceRegistry this
        start local 1 // java.lang.Class category
         0: .line 657
            aload 0 /* this */
            getfield javax.imageio.spi.ServiceRegistry.categoryMap:Ljava/util/Map;
            aload 1 /* category */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast javax.imageio.spi.SubRegistry
            astore 2 /* reg */
        start local 2 // javax.imageio.spi.SubRegistry reg
         1: .line 658
            aload 2 /* reg */
            ifnonnull 3
         2: .line 659
            new java.lang.IllegalArgumentException
            dup
            ldc "category unknown!"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 661
      StackMap locals: javax.imageio.spi.SubRegistry
      StackMap stack:
            aload 2 /* reg */
            invokevirtual javax.imageio.spi.SubRegistry.clear:()V
         4: .line 662
            return
        end local 2 // javax.imageio.spi.SubRegistry reg
        end local 1 // java.lang.Class category
        end local 0 // javax.imageio.spi.ServiceRegistry this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    5     0      this  Ljavax/imageio/spi/ServiceRegistry;
            0    5     1  category  Ljava/lang/Class<*>;
            1    5     2       reg  Ljavax/imageio/spi/SubRegistry;
    Signature: (Ljava/lang/Class<*>;)V
    MethodParameters:
          Name  Flags
      category  

  public void deregisterAll();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=3, args_size=1
        start local 0 // javax.imageio.spi.ServiceRegistry this
         0: .line 669
            aload 0 /* this */
            getfield javax.imageio.spi.ServiceRegistry.categoryMap:Ljava/util/Map;
            invokeinterface java.util.Map.values:()Ljava/util/Collection;
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 2
            goto 3
      StackMap locals: javax.imageio.spi.ServiceRegistry top java.util.Iterator
      StackMap stack:
         1: aload 2
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast javax.imageio.spi.SubRegistry
            astore 1 /* reg */
        start local 1 // javax.imageio.spi.SubRegistry reg
         2: .line 670
            aload 1 /* reg */
            invokevirtual javax.imageio.spi.SubRegistry.clear:()V
        end local 1 // javax.imageio.spi.SubRegistry reg
         3: .line 669
      StackMap locals:
      StackMap stack:
            aload 2
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 1
         4: .line 672
            return
        end local 0 // javax.imageio.spi.ServiceRegistry this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljavax/imageio/spi/ServiceRegistry;
            2    3     1   reg  Ljavax/imageio/spi/SubRegistry;

  public void finalize();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // javax.imageio.spi.ServiceRegistry this
         0: .line 694
            aload 0 /* this */
            invokevirtual javax.imageio.spi.ServiceRegistry.deregisterAll:()V
         1: .line 695
            aload 0 /* this */
            invokespecial java.lang.Object.finalize:()V
         2: .line 696
            return
        end local 0 // javax.imageio.spi.ServiceRegistry this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljavax/imageio/spi/ServiceRegistry;
    Exceptions:
      throws java.lang.Throwable
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated(since = "9")

  private static void checkClassAllowed(java.lang.Class<?>);
    descriptor: (Ljava/lang/Class;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // java.lang.Class clazz
         0: .line 707
            aload 0 /* clazz */
            ifnonnull 2
         1: .line 708
            new java.lang.IllegalArgumentException
            dup
            ldc "class must not be null"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 711
      StackMap locals:
      StackMap stack:
            aload 0 /* clazz */
            ldc Ljavax/imageio/spi/ImageInputStreamSpi;
            if_acmpeq 8
         3: .line 712
            aload 0 /* clazz */
            ldc Ljavax/imageio/spi/ImageOutputStreamSpi;
            if_acmpeq 8
         4: .line 713
            aload 0 /* clazz */
            ldc Ljavax/imageio/spi/ImageReaderSpi;
            if_acmpeq 8
         5: .line 714
            aload 0 /* clazz */
            ldc Ljavax/imageio/spi/ImageTranscoderSpi;
            if_acmpeq 8
         6: .line 715
            aload 0 /* clazz */
            ldc Ljavax/imageio/spi/ImageWriterSpi;
            if_acmpeq 8
         7: .line 716
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            aload 0 /* clazz */
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " is not an ImageIO SPI class"
            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
         8: .line 718
      StackMap locals:
      StackMap stack:
            return
        end local 0 // java.lang.Class clazz
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    9     0  clazz  Ljava/lang/Class<*>;
    Signature: (Ljava/lang/Class<*>;)V
    MethodParameters:
       Name  Flags
      clazz  
}
SourceFile: "ServiceRegistry.java"
NestMembers:
  javax.imageio.spi.ServiceRegistry$Filter
InnerClasses:
  public abstract Filter = javax.imageio.spi.ServiceRegistry$Filter of javax.imageio.spi.ServiceRegistry