https://www.graalvm.org/ 
class com.oracle.truffle.tools.profiler.MemoryTracer$5 implements com.oracle.truffle.tools.profiler.impl.ProfilerToolFactory<com.oracle.truffle.tools.profiler.MemoryTracer>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.truffle.tools.profiler.MemoryTracer$5
  super_class: java.lang.Object
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.tools.profiler.MemoryTracer$5 this
         0: .line 489
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.oracle.truffle.tools.profiler.MemoryTracer$5 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/tools/profiler/MemoryTracer$5;

  public com.oracle.truffle.tools.profiler.MemoryTracer create(com.oracle.truffle.api.instrumentation.TruffleInstrument$Env);
    descriptor: (Lcom/oracle/truffle/api/instrumentation/TruffleInstrument$Env;)Lcom/oracle/truffle/tools/profiler/MemoryTracer;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // com.oracle.truffle.tools.profiler.MemoryTracer$5 this
        start local 1 // com.oracle.truffle.api.instrumentation.TruffleInstrument$Env env
         0: .line 492
            new com.oracle.truffle.tools.profiler.MemoryTracer
            dup
            aload 1 /* env */
            invokespecial com.oracle.truffle.tools.profiler.MemoryTracer.<init>:(Lcom/oracle/truffle/api/instrumentation/TruffleInstrument$Env;)V
            areturn
        end local 1 // com.oracle.truffle.api.instrumentation.TruffleInstrument$Env env
        end local 0 // com.oracle.truffle.tools.profiler.MemoryTracer$5 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/tools/profiler/MemoryTracer$5;
            0    1     1   env  Lcom/oracle/truffle/api/instrumentation/TruffleInstrument$Env;
    MethodParameters:
      Name  Flags
      env   

  public java.lang.Object create(com.oracle.truffle.api.instrumentation.TruffleInstrument$Env);
    descriptor: (Lcom/oracle/truffle/api/instrumentation/TruffleInstrument$Env;)Ljava/lang/Object;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            invokevirtual com.oracle.truffle.tools.profiler.MemoryTracer$5.create:(Lcom/oracle/truffle/api/instrumentation/TruffleInstrument$Env;)Lcom/oracle/truffle/tools/profiler/MemoryTracer;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Ljava/lang/Object;Lcom/oracle/truffle/tools/profiler/impl/ProfilerToolFactory<Lcom/oracle/truffle/tools/profiler/MemoryTracer;>;
SourceFile: "MemoryTracer.java"
EnclosingMethod: com.oracle.truffle.tools.profiler.MemoryTracer
NestHost: com.oracle.truffle.tools.profiler.MemoryTracer
InnerClasses:
  public final Env = com.oracle.truffle.api.instrumentation.TruffleInstrument$Env of com.oracle.truffle.api.instrumentation.TruffleInstrument
  com.oracle.truffle.tools.profiler.MemoryTracer$5