https://www.graalvm.org/ 
public class com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet extends com.oracle.svm.jvmtiagentbase.JNIHandleSet
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet
  super_class: com.oracle.svm.jvmtiagentbase.JNIHandleSet
{
  private com.oracle.svm.jni.nativeapi.JNIObjectHandle classInitializationTracking;
    descriptor: Lcom/oracle/svm/jni/nativeapi/JNIObjectHandle;
    flags: (0x0002) ACC_PRIVATE

  private com.oracle.svm.jni.nativeapi.JNIMethodId reportClassInitialized;
    descriptor: Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
    flags: (0x0002) ACC_PRIVATE

  private com.oracle.svm.jni.nativeapi.JNIMethodId reportObjectInstantiated;
    descriptor: Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
    flags: (0x0002) ACC_PRIVATE

  final com.oracle.svm.jni.nativeapi.JNIObjectHandle javaLangStackTraceElement;
    descriptor: Lcom/oracle/svm/jni/nativeapi/JNIObjectHandle;
    flags: (0x0010) ACC_FINAL

  final com.oracle.svm.jni.nativeapi.JNIMethodId javaLangStackTraceElementCtor4;
    descriptor: Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
    flags: (0x0010) ACC_FINAL

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 36
            ldc Lcom/oracle/svm/diagnosticsagent/NativeImageDiagnosticsAgentJNIHandleSet;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.$assertionsDisabled:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(com.oracle.svm.jni.nativeapi.JNIEnvironment);
    descriptor: (Lcom/oracle/svm/jni/nativeapi/JNIEnvironment;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=7, locals=2, args_size=2
        start local 0 // com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet this
        start local 1 // com.oracle.svm.jni.nativeapi.JNIEnvironment env
         0: .line 46
            aload 0 /* this */
            aload 1 /* env */
            invokespecial com.oracle.svm.jvmtiagentbase.JNIHandleSet.<init>:(Lcom/oracle/svm/jni/nativeapi/JNIEnvironment;)V
         1: .line 38
            aload 0 /* this */
            invokestatic com.oracle.svm.jni.JNIObjectHandles.nullHandle:()Lorg/graalvm/word/SignedWord;
            checkcast com.oracle.svm.jni.nativeapi.JNIObjectHandle
            putfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.classInitializationTracking:Lcom/oracle/svm/jni/nativeapi/JNIObjectHandle;
         2: .line 39
            aload 0 /* this */
            invokestatic org.graalvm.word.WordFactory.nullPointer:()Lorg/graalvm/word/PointerBase;
            checkcast com.oracle.svm.jni.nativeapi.JNIMethodId
            putfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.reportClassInitialized:Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
         3: .line 40
            aload 0 /* this */
            invokestatic org.graalvm.word.WordFactory.nullPointer:()Lorg/graalvm/word/PointerBase;
            checkcast com.oracle.svm.jni.nativeapi.JNIMethodId
            putfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.reportObjectInstantiated:Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
         4: .line 47
            aload 0 /* this */
            aload 0 /* this */
            aload 1 /* env */
            ldc "java/lang/StackTraceElement"
            invokevirtual com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.newClassGlobalRef:(Lcom/oracle/svm/jni/nativeapi/JNIEnvironment;Ljava/lang/String;)Lcom/oracle/svm/jni/nativeapi/JNIObjectHandle;
            putfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.javaLangStackTraceElement:Lcom/oracle/svm/jni/nativeapi/JNIObjectHandle;
         5: .line 48
            aload 0 /* this */
            aload 0 /* this */
            aload 1 /* env */
            aload 0 /* this */
            getfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.javaLangStackTraceElement:Lcom/oracle/svm/jni/nativeapi/JNIObjectHandle;
            ldc "<init>"
            ldc "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;I)V"
            iconst_0
            invokevirtual com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.getMethodId:(Lcom/oracle/svm/jni/nativeapi/JNIEnvironment;Lcom/oracle/svm/jni/nativeapi/JNIObjectHandle;Ljava/lang/String;Ljava/lang/String;Z)Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
            putfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.javaLangStackTraceElementCtor4:Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
         6: .line 49
            return
        end local 1 // com.oracle.svm.jni.nativeapi.JNIEnvironment env
        end local 0 // com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lcom/oracle/svm/diagnosticsagent/NativeImageDiagnosticsAgentJNIHandleSet;
            0    7     1   env  Lcom/oracle/svm/jni/nativeapi/JNIEnvironment;
    MethodParameters:
      Name  Flags
      env   

  public void initializeTrackingSupportHandles(com.oracle.svm.jni.nativeapi.JNIEnvironment);
    descriptor: (Lcom/oracle/svm/jni/nativeapi/JNIEnvironment;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=7, locals=2, args_size=2
        start local 0 // com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet this
        start local 1 // com.oracle.svm.jni.nativeapi.JNIEnvironment env
         0: .line 52
            getstatic com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.$assertionsDisabled:Z
            ifne 2
            aload 0 /* this */
            getfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.classInitializationTracking:Lcom/oracle/svm/jni/nativeapi/JNIObjectHandle;
            invokestatic com.oracle.svm.jni.JNIObjectHandles.nullHandle:()Lorg/graalvm/word/SignedWord;
            invokeinterface com.oracle.svm.jni.nativeapi.JNIObjectHandle.equal:(Lorg/graalvm/word/ComparableWord;)Z
            ifeq 1
            aload 0 /* this */
            getfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.reportClassInitialized:Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
            invokeinterface com.oracle.svm.jni.nativeapi.JNIMethodId.isNull:()Z
            ifeq 1
            aload 0 /* this */
            getfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.reportObjectInstantiated:Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
            invokeinterface com.oracle.svm.jni.nativeapi.JNIMethodId.isNull:()Z
            ifne 2
      StackMap locals:
      StackMap stack:
         1: new java.lang.AssertionError
            dup
            ldc "Attempt to reinitialize tracking support handles."
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
         2: .line 53
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            aload 1 /* env */
            ldc "org/graalvm/nativeimage/impl/clinit/ClassInitializationTracking"
            invokevirtual com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.newClassGlobalRef:(Lcom/oracle/svm/jni/nativeapi/JNIEnvironment;Ljava/lang/String;)Lcom/oracle/svm/jni/nativeapi/JNIObjectHandle;
            putfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.classInitializationTracking:Lcom/oracle/svm/jni/nativeapi/JNIObjectHandle;
         3: .line 54
            aload 0 /* this */
            aload 0 /* this */
            aload 1 /* env */
            aload 0 /* this */
            getfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.classInitializationTracking:Lcom/oracle/svm/jni/nativeapi/JNIObjectHandle;
            ldc "reportClassInitialized"
            ldc "(Ljava/lang/Class;[Ljava/lang/StackTraceElement;)V"
            iconst_1
            invokevirtual com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.getMethodId:(Lcom/oracle/svm/jni/nativeapi/JNIEnvironment;Lcom/oracle/svm/jni/nativeapi/JNIObjectHandle;Ljava/lang/String;Ljava/lang/String;Z)Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
            putfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.reportClassInitialized:Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
         4: .line 55
            aload 0 /* this */
            aload 0 /* this */
            aload 1 /* env */
            aload 0 /* this */
            getfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.classInitializationTracking:Lcom/oracle/svm/jni/nativeapi/JNIObjectHandle;
            ldc "reportObjectInstantiated"
            ldc "(Ljava/lang/Object;[Ljava/lang/StackTraceElement;)V"
            iconst_1
            invokevirtual com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.getMethodId:(Lcom/oracle/svm/jni/nativeapi/JNIEnvironment;Lcom/oracle/svm/jni/nativeapi/JNIObjectHandle;Ljava/lang/String;Ljava/lang/String;Z)Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
            putfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.reportObjectInstantiated:Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
         5: .line 56
            return
        end local 1 // com.oracle.svm.jni.nativeapi.JNIEnvironment env
        end local 0 // com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lcom/oracle/svm/diagnosticsagent/NativeImageDiagnosticsAgentJNIHandleSet;
            0    6     1   env  Lcom/oracle/svm/jni/nativeapi/JNIEnvironment;
    MethodParameters:
      Name  Flags
      env   

  public com.oracle.svm.jni.nativeapi.JNIObjectHandle getClassInitializationTrackingClassHandle();
    descriptor: ()Lcom/oracle/svm/jni/nativeapi/JNIObjectHandle;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet this
         0: .line 59
            getstatic com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            getfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.classInitializationTracking:Lcom/oracle/svm/jni/nativeapi/JNIObjectHandle;
            invokestatic com.oracle.svm.jni.JNIObjectHandles.nullHandle:()Lorg/graalvm/word/SignedWord;
            invokeinterface com.oracle.svm.jni.nativeapi.JNIObjectHandle.notEqual:(Lorg/graalvm/word/ComparableWord;)Z
            ifne 1
            new java.lang.AssertionError
            dup
            ldc "Attempt to access uninitialized class handle."
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
         1: .line 60
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.classInitializationTracking:Lcom/oracle/svm/jni/nativeapi/JNIObjectHandle;
            areturn
        end local 0 // com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/svm/diagnosticsagent/NativeImageDiagnosticsAgentJNIHandleSet;

  public com.oracle.svm.jni.nativeapi.JNIMethodId getReportClassInitializedMethodId();
    descriptor: ()Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet this
         0: .line 64
            getstatic com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            getfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.reportClassInitialized:Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
            invokeinterface com.oracle.svm.jni.nativeapi.JNIMethodId.isNonNull:()Z
            ifne 1
            new java.lang.AssertionError
            dup
            ldc "Attempt to access an uninitialized method handle."
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
         1: .line 65
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.reportClassInitialized:Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
            areturn
        end local 0 // com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/svm/diagnosticsagent/NativeImageDiagnosticsAgentJNIHandleSet;

  public com.oracle.svm.jni.nativeapi.JNIMethodId getReportObjectInstantiatedMethodId();
    descriptor: ()Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet this
         0: .line 69
            getstatic com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            getfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.reportObjectInstantiated:Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
            invokeinterface com.oracle.svm.jni.nativeapi.JNIMethodId.isNonNull:()Z
            ifne 1
            new java.lang.AssertionError
            dup
            ldc "Attempt to access an uninitialized method handle."
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
         1: .line 70
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet.reportObjectInstantiated:Lcom/oracle/svm/jni/nativeapi/JNIMethodId;
            areturn
        end local 0 // com.oracle.svm.diagnosticsagent.NativeImageDiagnosticsAgentJNIHandleSet this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/svm/diagnosticsagent/NativeImageDiagnosticsAgentJNIHandleSet;
}
SourceFile: "NativeImageDiagnosticsAgentJNIHandleSet.java"