https://www.graalvm.org/ 
public class com.oracle.truffle.llvm.tests.interop.PolyglotScopeTest$TestImportExistsNode extends com.oracle.truffle.llvm.tests.interop.InteropTestBase$SulongTestNode
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.oracle.truffle.llvm.tests.interop.PolyglotScopeTest$TestImportExistsNode
  super_class: com.oracle.truffle.llvm.tests.interop.InteropTestBase$SulongTestNode
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // com.oracle.truffle.llvm.tests.interop.PolyglotScopeTest$TestImportExistsNode this
         0: .line 71
            aload 0 /* this */
            getstatic com.oracle.truffle.llvm.tests.interop.PolyglotScopeTest.testLibrary:Ljava/lang/Object;
            ldc "test_import_exists"
            invokespecial com.oracle.truffle.llvm.tests.interop.InteropTestBase$SulongTestNode.<init>:(Ljava/lang/Object;Ljava/lang/String;)V
         1: .line 72
            return
        end local 0 // com.oracle.truffle.llvm.tests.interop.PolyglotScopeTest$TestImportExistsNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/truffle/llvm/tests/interop/PolyglotScopeTest$TestImportExistsNode;
}
SourceFile: "PolyglotScopeTest.java"
NestHost: com.oracle.truffle.llvm.tests.interop.PolyglotScopeTest
InnerClasses:
  public SulongTestNode = com.oracle.truffle.llvm.tests.interop.InteropTestBase$SulongTestNode of com.oracle.truffle.llvm.tests.interop.InteropTestBase
  public TestImportExistsNode = com.oracle.truffle.llvm.tests.interop.PolyglotScopeTest$TestImportExistsNode of com.oracle.truffle.llvm.tests.interop.PolyglotScopeTest