https://www.graalvm.org/ 
final class com.oracle.svm.hosted.javafx.JavaFXFeature implements org.graalvm.nativeimage.hosted.Feature
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.oracle.svm.hosted.javafx.JavaFXFeature
  super_class: java.lang.Object
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.svm.hosted.javafx.JavaFXFeature this
         0: .line 36
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.oracle.svm.hosted.javafx.JavaFXFeature this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/svm/hosted/javafx/JavaFXFeature;

  public boolean isInConfiguration(org.graalvm.nativeimage.hosted.Feature$IsInConfigurationAccess);
    descriptor: (Lorg/graalvm/nativeimage/hosted/Feature$IsInConfigurationAccess;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // com.oracle.svm.hosted.javafx.JavaFXFeature this
        start local 1 // org.graalvm.nativeimage.hosted.Feature$IsInConfigurationAccess access
         0: .line 40
            aload 1 /* access */
            invokestatic com.oracle.svm.hosted.javafx.JavaFXFeature.getJavaFXApplication:(Lorg/graalvm/nativeimage/hosted/Feature$FeatureAccess;)Ljava/lang/Class;
            ifnull 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 1 // org.graalvm.nativeimage.hosted.Feature$IsInConfigurationAccess access
        end local 0 // com.oracle.svm.hosted.javafx.JavaFXFeature this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lcom/oracle/svm/hosted/javafx/JavaFXFeature;
            0    2     1  access  Lorg/graalvm/nativeimage/hosted/Feature$IsInConfigurationAccess;
    MethodParameters:
        Name  Flags
      access  

  public void beforeAnalysis(org.graalvm.nativeimage.hosted.Feature$BeforeAnalysisAccess);
    descriptor: (Lorg/graalvm/nativeimage/hosted/Feature$BeforeAnalysisAccess;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // com.oracle.svm.hosted.javafx.JavaFXFeature this
        start local 1 // org.graalvm.nativeimage.hosted.Feature$BeforeAnalysisAccess access
         0: .line 51
            aload 1 /* access */
            checkcast com.oracle.svm.hosted.FeatureImpl$BeforeAnalysisAccessImpl
         1: .line 52
            aload 1 /* access */
            invokestatic com.oracle.svm.hosted.javafx.JavaFXFeature.getJavaFXApplication:(Lorg/graalvm/nativeimage/hosted/Feature$FeatureAccess;)Ljava/lang/Class;
            invokevirtual com.oracle.svm.hosted.FeatureImpl$BeforeAnalysisAccessImpl.findSubclasses:(Ljava/lang/Class;)Ljava/util/List;
            invokedynamic accept()Ljava/util/function/Consumer;
              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;)V
                  com/oracle/svm/hosted/javafx/JavaFXFeature.lambda$4(Ljava/lang/Class;)V (6)
                  (Ljava/lang/Class;)V
         2: .line 53
            invokeinterface java.util.List.forEach:(Ljava/util/function/Consumer;)V
         3: .line 58
            bipush 13
            anewarray java.lang.String
            dup
            iconst_0
            ldc "com.sun.javafx.tk.quantum.QuantumRenderer"
            aastore
            dup
            iconst_1
            ldc "javafx.stage.Screen"
            aastore
            dup
            iconst_2
            ldc "com.sun.javafx.scene.control.behavior.BehaviorBase"
            aastore
            dup
            iconst_3
            ldc "com.sun.javafx.scene.control.skin.BehaviorSkinBase"
            aastore
            dup
            iconst_4
         4: .line 59
            ldc "javafx.scene.control.SkinBase"
            aastore
            dup
            iconst_5
            ldc "javafx.scene.control.Control"
            aastore
            dup
            bipush 6
            ldc "javafx.scene.control.PopupControl"
            aastore
            dup
            bipush 7
            ldc "javafx.scene.control.SkinBase$StyleableProperties"
            aastore
            dup
            bipush 8
         5: .line 60
            ldc "javafx.scene.control.Labeled$StyleableProperties"
            aastore
            dup
            bipush 9
            ldc "javafx.scene.control.SkinBase$StyleableProperties"
            aastore
            dup
            bipush 10
            ldc "com.sun.javafx.tk.quantum.PrismImageLoader2$AsyncImageLoader"
            aastore
            dup
            bipush 11
         6: .line 61
            ldc "com.sun.javafx.tk.quantum.PrismImageLoader2"
            aastore
            dup
            bipush 12
            ldc "com.sun.prism.PresentableState"
            aastore
         7: .line 58
            invokestatic java.util.stream.Stream.of:([Ljava/lang/Object;)Ljava/util/stream/Stream;
         8: .line 62
            aload 1 /* access */
            dup
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            pop
            invokedynamic apply(Lorg/graalvm/nativeimage/hosted/Feature$BeforeAnalysisAccess;)Ljava/util/function/Function;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)Ljava/lang/Object;
                  org/graalvm/nativeimage/hosted/Feature$FeatureAccess.findClassByName(Ljava/lang/String;)Ljava/lang/Class; (9 itf)
                  (Ljava/lang/String;)Ljava/lang/Class;
            invokeinterface java.util.stream.Stream.map:(Ljava/util/function/Function;)Ljava/util/stream/Stream;
         9: .line 63
            invokedynamic test()Ljava/util/function/Predicate;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)Z
                  java/util/Objects.nonNull(Ljava/lang/Object;)Z (6)
                  (Ljava/lang/Class;)Z
            invokeinterface java.util.stream.Stream.filter:(Ljava/util/function/Predicate;)Ljava/util/stream/Stream;
            invokedynamic accept()Ljava/util/function/Consumer;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$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;)V
                  com/oracle/svm/hosted/javafx/JavaFXFeature.lambda$5(Ljava/lang/Class;)V (6)
                  (Ljava/lang/Class;)V
        10: .line 64
            invokeinterface java.util.stream.Stream.forEach:(Ljava/util/function/Consumer;)V
        11: .line 65
            return
        end local 1 // org.graalvm.nativeimage.hosted.Feature$BeforeAnalysisAccess access
        end local 0 // com.oracle.svm.hosted.javafx.JavaFXFeature this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   12     0    this  Lcom/oracle/svm/hosted/javafx/JavaFXFeature;
            0   12     1  access  Lorg/graalvm/nativeimage/hosted/Feature$BeforeAnalysisAccess;
    MethodParameters:
        Name  Flags
      access  

  private static java.lang.Class<?> getJavaFXApplication(org.graalvm.nativeimage.hosted.Feature$FeatureAccess);
    descriptor: (Lorg/graalvm/nativeimage/hosted/Feature$FeatureAccess;)Ljava/lang/Class;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.graalvm.nativeimage.hosted.Feature$FeatureAccess access
         0: .line 68
            aload 0 /* access */
            ldc "javafx.application.Application"
            invokeinterface org.graalvm.nativeimage.hosted.Feature$FeatureAccess.findClassByName:(Ljava/lang/String;)Ljava/lang/Class;
            areturn
        end local 0 // org.graalvm.nativeimage.hosted.Feature$FeatureAccess access
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0  access  Lorg/graalvm/nativeimage/hosted/Feature$FeatureAccess;
    Signature: (Lorg/graalvm/nativeimage/hosted/Feature$FeatureAccess;)Ljava/lang/Class<*>;
    MethodParameters:
        Name  Flags
      access  

  private static void lambda$4(java.lang.Class<? extends java.lang.Object>);
    descriptor: (Ljava/lang/Class;)V
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // java.lang.Class  arg0
         0: iconst_1
            anewarray java.lang.Class
            dup
            iconst_0
            aload 0 /*  arg0 */
            aastore
            invokestatic org.graalvm.nativeimage.hosted.RuntimeReflection.register:([Ljava/lang/Class;)V
            return
        end local 0 // java.lang.Class  arg0
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   arg0  Ljava/lang/Class<+Ljava/lang/Object;>;
    Signature: (Ljava/lang/Class<+Ljava/lang/Object;>;)V

  private static void lambda$5(java.lang.Class<java.lang.Object>);
    descriptor: (Ljava/lang/Class;)V
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // java.lang.Class  arg0
         0: iconst_1
            anewarray java.lang.Class
            dup
            iconst_0
            aload 0 /*  arg0 */
            aastore
            invokestatic org.graalvm.nativeimage.hosted.RuntimeClassInitialization.initializeAtRunTime:([Ljava/lang/Class;)V
            return
        end local 0 // java.lang.Class  arg0
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   arg0  Ljava/lang/Class<Ljava/lang/Object;>;
    Signature: (Ljava/lang/Class<Ljava/lang/Object;>;)V
}
SourceFile: "JavaFXFeature.java"
InnerClasses:
  public BeforeAnalysisAccessImpl = com.oracle.svm.hosted.FeatureImpl$BeforeAnalysisAccessImpl of com.oracle.svm.hosted.FeatureImpl
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles
  public abstract BeforeAnalysisAccess = org.graalvm.nativeimage.hosted.Feature$BeforeAnalysisAccess of org.graalvm.nativeimage.hosted.Feature
  public abstract FeatureAccess = org.graalvm.nativeimage.hosted.Feature$FeatureAccess of org.graalvm.nativeimage.hosted.Feature
  public abstract IsInConfigurationAccess = org.graalvm.nativeimage.hosted.Feature$IsInConfigurationAccess of org.graalvm.nativeimage.hosted.Feature