https://www.graalvm.org/ 
class com.oracle.svm.core.posix.PosixLogHandlerFeature implements org.graalvm.nativeimage.hosted.Feature
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.svm.core.posix.PosixLogHandlerFeature
  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.posix.PosixLogHandlerFeature this
         0: .line 42
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.oracle.svm.core.posix.PosixLogHandlerFeature this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/svm/core/posix/PosixLogHandlerFeature;

  public void beforeAnalysis(org.graalvm.nativeimage.hosted.Feature$BeforeAnalysisAccess);
    descriptor: (Lorg/graalvm/nativeimage/hosted/Feature$BeforeAnalysisAccess;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.svm.core.posix.PosixLogHandlerFeature this
        start local 1 // org.graalvm.nativeimage.hosted.Feature$BeforeAnalysisAccess access
         0: .line 45
            new com.oracle.svm.core.posix.PosixLogHandler
            dup
            invokespecial com.oracle.svm.core.posix.PosixLogHandler.<init>:()V
            invokestatic com.oracle.svm.core.log.Log.finalizeDefaultLogHandler:(Lorg/graalvm/nativeimage/LogHandler;)V
         1: .line 46
            return
        end local 1 // org.graalvm.nativeimage.hosted.Feature$BeforeAnalysisAccess access
        end local 0 // com.oracle.svm.core.posix.PosixLogHandlerFeature this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lcom/oracle/svm/core/posix/PosixLogHandlerFeature;
            0    2     1  access  Lorg/graalvm/nativeimage/hosted/Feature$BeforeAnalysisAccess;
    MethodParameters:
        Name  Flags
      access  
}
SourceFile: "PosixLogHandler.java"
InnerClasses:
  public abstract BeforeAnalysisAccess = org.graalvm.nativeimage.hosted.Feature$BeforeAnalysisAccess of org.graalvm.nativeimage.hosted.Feature
    RuntimeVisibleAnnotations: 
      com.oracle.svm.core.annotate.AutomaticFeature()