https://github.com/oracle/graal: GraalVM is an ecosystem for compiling and running applications written in multiple languages. GraalVM removes the isolation between programming languages and enables interoperability in a shared runtime. 
public final class org.graalvm.polyglot.PolyglotException$StackFrame
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: org.graalvm.polyglot.PolyglotException$StackFrame
  super_class: java.lang.Object
{
  final org.graalvm.polyglot.impl.AbstractPolyglotImpl$AbstractStackFrameImpl impl;
    descriptor: Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl$AbstractStackFrameImpl;
    flags: (0x0010) ACC_FINAL

  final org.graalvm.polyglot.PolyglotException this$0;
    descriptor: Lorg/graalvm/polyglot/PolyglotException;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(org.graalvm.polyglot.PolyglotException, org.graalvm.polyglot.impl.AbstractPolyglotImpl$AbstractStackFrameImpl);
    descriptor: (Lorg/graalvm/polyglot/PolyglotException;Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl$AbstractStackFrameImpl;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.graalvm.polyglot.PolyglotException$StackFrame this
        start local 2 // org.graalvm.polyglot.impl.AbstractPolyglotImpl$AbstractStackFrameImpl impl
         0: .line 398
            aload 0 /* this */
            aload 1
            putfield org.graalvm.polyglot.PolyglotException$StackFrame.this$0:Lorg/graalvm/polyglot/PolyglotException;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 399
            aload 0 /* this */
            aload 2 /* impl */
            putfield org.graalvm.polyglot.PolyglotException$StackFrame.impl:Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl$AbstractStackFrameImpl;
         2: .line 400
            return
        end local 2 // org.graalvm.polyglot.impl.AbstractPolyglotImpl$AbstractStackFrameImpl impl
        end local 0 // org.graalvm.polyglot.PolyglotException$StackFrame this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/graalvm/polyglot/PolyglotException$StackFrame;
            0    3     2  impl  Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl$AbstractStackFrameImpl;
    MethodParameters:
        Name  Flags
      this$0  final
      impl    

  public boolean isHostFrame();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.graalvm.polyglot.PolyglotException$StackFrame this
         0: .line 410
            aload 0 /* this */
            getfield org.graalvm.polyglot.PolyglotException$StackFrame.impl:Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl$AbstractStackFrameImpl;
            invokevirtual org.graalvm.polyglot.impl.AbstractPolyglotImpl$AbstractStackFrameImpl.isHostFrame:()Z
            ireturn
        end local 0 // org.graalvm.polyglot.PolyglotException$StackFrame this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/polyglot/PolyglotException$StackFrame;

  public boolean isGuestFrame();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.graalvm.polyglot.PolyglotException$StackFrame this
         0: .line 419
            aload 0 /* this */
            getfield org.graalvm.polyglot.PolyglotException$StackFrame.impl:Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl$AbstractStackFrameImpl;
            invokevirtual org.graalvm.polyglot.impl.AbstractPolyglotImpl$AbstractStackFrameImpl.isHostFrame:()Z
            ifeq 1
            iconst_0
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_1
      StackMap locals:
      StackMap stack: int
         2: ireturn
        end local 0 // org.graalvm.polyglot.PolyglotException$StackFrame this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/graalvm/polyglot/PolyglotException$StackFrame;

  public java.lang.StackTraceElement toHostFrame();
    descriptor: ()Ljava/lang/StackTraceElement;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.graalvm.polyglot.PolyglotException$StackFrame this
         0: .line 430
            aload 0 /* this */
            getfield org.graalvm.polyglot.PolyglotException$StackFrame.impl:Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl$AbstractStackFrameImpl;
            invokevirtual org.graalvm.polyglot.impl.AbstractPolyglotImpl$AbstractStackFrameImpl.toHostFrame:()Ljava/lang/StackTraceElement;
            areturn
        end local 0 // org.graalvm.polyglot.PolyglotException$StackFrame this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/polyglot/PolyglotException$StackFrame;

  public org.graalvm.polyglot.SourceSection getSourceLocation();
    descriptor: ()Lorg/graalvm/polyglot/SourceSection;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.graalvm.polyglot.PolyglotException$StackFrame this
         0: .line 440
            aload 0 /* this */
            getfield org.graalvm.polyglot.PolyglotException$StackFrame.impl:Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl$AbstractStackFrameImpl;
            invokevirtual org.graalvm.polyglot.impl.AbstractPolyglotImpl$AbstractStackFrameImpl.getSourceLocation:()Lorg/graalvm/polyglot/SourceSection;
            areturn
        end local 0 // org.graalvm.polyglot.PolyglotException$StackFrame this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/polyglot/PolyglotException$StackFrame;

  public java.lang.String getRootName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.graalvm.polyglot.PolyglotException$StackFrame this
         0: .line 451
            aload 0 /* this */
            getfield org.graalvm.polyglot.PolyglotException$StackFrame.impl:Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl$AbstractStackFrameImpl;
            invokevirtual org.graalvm.polyglot.impl.AbstractPolyglotImpl$AbstractStackFrameImpl.getRootName:()Ljava/lang/String;
            areturn
        end local 0 // org.graalvm.polyglot.PolyglotException$StackFrame this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/polyglot/PolyglotException$StackFrame;

  public org.graalvm.polyglot.Language getLanguage();
    descriptor: ()Lorg/graalvm/polyglot/Language;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.graalvm.polyglot.PolyglotException$StackFrame this
         0: .line 461
            aload 0 /* this */
            getfield org.graalvm.polyglot.PolyglotException$StackFrame.impl:Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl$AbstractStackFrameImpl;
            invokevirtual org.graalvm.polyglot.impl.AbstractPolyglotImpl$AbstractStackFrameImpl.getLanguage:()Lorg/graalvm/polyglot/Language;
            areturn
        end local 0 // org.graalvm.polyglot.PolyglotException$StackFrame this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/polyglot/PolyglotException$StackFrame;

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.graalvm.polyglot.PolyglotException$StackFrame this
         0: .line 472
            aload 0 /* this */
            getfield org.graalvm.polyglot.PolyglotException$StackFrame.impl:Lorg/graalvm/polyglot/impl/AbstractPolyglotImpl$AbstractStackFrameImpl;
            iconst_0
            invokevirtual org.graalvm.polyglot.impl.AbstractPolyglotImpl$AbstractStackFrameImpl.toStringImpl:(I)Ljava/lang/String;
            areturn
        end local 0 // org.graalvm.polyglot.PolyglotException$StackFrame this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/polyglot/PolyglotException$StackFrame;
}
SourceFile: "PolyglotException.java"
NestHost: org.graalvm.polyglot.PolyglotException
InnerClasses:
  public final StackFrame = org.graalvm.polyglot.PolyglotException$StackFrame of org.graalvm.polyglot.PolyglotException
  public abstract AbstractStackFrameImpl = org.graalvm.polyglot.impl.AbstractPolyglotImpl$AbstractStackFrameImpl of org.graalvm.polyglot.impl.AbstractPolyglotImpl