https://www.graalvm.org/ 
class com.oracle.svm.core.windows.WindowsSystemPropertiesFeature implements org.graalvm.nativeimage.hosted.Feature
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.svm.core.windows.WindowsSystemPropertiesFeature
  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.core.windows.WindowsSystemPropertiesFeature this
         0: .line 328
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.oracle.svm.core.windows.WindowsSystemPropertiesFeature this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/svm/core/windows/WindowsSystemPropertiesFeature;

  public void afterRegistration(org.graalvm.nativeimage.hosted.Feature$AfterRegistrationAccess);
    descriptor: (Lorg/graalvm/nativeimage/hosted/Feature$AfterRegistrationAccess;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // com.oracle.svm.core.windows.WindowsSystemPropertiesFeature this
        start local 1 // org.graalvm.nativeimage.hosted.Feature$AfterRegistrationAccess access
         0: .line 331
            ldc Lcom/oracle/svm/core/jdk/SystemPropertiesSupport;
            new com.oracle.svm.core.windows.WindowsSystemPropertiesSupport
            dup
            invokespecial com.oracle.svm.core.windows.WindowsSystemPropertiesSupport.<init>:()V
            invokestatic org.graalvm.nativeimage.ImageSingletons.add:(Ljava/lang/Class;Ljava/lang/Object;)V
         1: .line 332
            return
        end local 1 // org.graalvm.nativeimage.hosted.Feature$AfterRegistrationAccess access
        end local 0 // com.oracle.svm.core.windows.WindowsSystemPropertiesFeature this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lcom/oracle/svm/core/windows/WindowsSystemPropertiesFeature;
            0    2     1  access  Lorg/graalvm/nativeimage/hosted/Feature$AfterRegistrationAccess;
    MethodParameters:
        Name  Flags
      access  
}
SourceFile: "WindowsSystemPropertiesSupport.java"
InnerClasses:
  public abstract AfterRegistrationAccess = org.graalvm.nativeimage.hosted.Feature$AfterRegistrationAccess of org.graalvm.nativeimage.hosted.Feature
    RuntimeVisibleAnnotations: 
      org.graalvm.nativeimage.Platforms(value = {Lorg/graalvm/nativeimage/Platform$WINDOWS;})
      com.oracle.svm.core.annotate.AutomaticFeature()