https://www.graalvm.org/ 
final class com.oracle.svm.graal.hotspot.libgraal.Target_org_graalvm_compiler_hotspot_HotSpotGraalOptionValues
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.oracle.svm.graal.hotspot.libgraal.Target_org_graalvm_compiler_hotspot_HotSpotGraalOptionValues
  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.graal.hotspot.libgraal.Target_org_graalvm_compiler_hotspot_HotSpotGraalOptionValues this
         0: .line 709
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.oracle.svm.graal.hotspot.libgraal.Target_org_graalvm_compiler_hotspot_HotSpotGraalOptionValues this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/svm/graal/hotspot/libgraal/Target_org_graalvm_compiler_hotspot_HotSpotGraalOptionValues;

  private static org.graalvm.compiler.options.OptionValues initializeOptions();
    descriptor: ()Lorg/graalvm/compiler/options/OptionValues;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=6, locals=8, args_size=0
         0: .line 714
            invokestatic com.oracle.svm.core.option.XOptions.getXmn:()Lcom/oracle/svm/core/option/XOptions$XFlag;
            invokevirtual com.oracle.svm.core.option.XOptions$XFlag.getPrefix:()Ljava/lang/String;
            ldc "-X"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 2
         1: .line 715
            new java.lang.InternalError
            dup
            new java.lang.StringBuilder
            dup
            ldc "Expected "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            invokestatic com.oracle.svm.core.option.XOptions.getXmn:()Lcom/oracle/svm/core/option/XOptions$XFlag;
            invokevirtual com.oracle.svm.core.option.XOptions$XFlag.getPrefixAndName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc " to start with -X"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.InternalError.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 719
      StackMap locals:
      StackMap stack:
            invokestatic com.oracle.svm.core.option.RuntimeOptionValues.singleton:()Lcom/oracle/svm/core/option/RuntimeOptionValues;
            astore 0 /* options */
        start local 0 // com.oracle.svm.core.option.RuntimeOptionValues options
         3: .line 720
            aload 0 /* options */
            invokestatic org.graalvm.compiler.hotspot.HotSpotGraalOptionValues.parseOptions:()Lorg/graalvm/collections/EconomicMap;
            invokevirtual com.oracle.svm.core.option.RuntimeOptionValues.update:(Lorg/graalvm/collections/UnmodifiableEconomicMap;)V
         4: .line 731
            invokestatic jdk.vm.ci.services.Services.getSavedProperties:()Ljava/util/Map;
            astore 1 /* savedProps */
        start local 1 // java.util.Map savedProps
         5: .line 732
            invokestatic org.graalvm.collections.EconomicMap.create:()Lorg/graalvm/collections/EconomicMap;
            astore 2 /* optionSettings */
        start local 2 // org.graalvm.collections.EconomicMap optionSettings
         6: .line 733
            aload 1 /* savedProps */
            invokeinterface java.util.Map.entrySet:()Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 4
            goto 17
      StackMap locals: com.oracle.svm.core.option.RuntimeOptionValues java.util.Map org.graalvm.collections.EconomicMap top java.util.Iterator
      StackMap stack:
         7: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.util.Map$Entry
            astore 3 /* e */
        start local 3 // java.util.Map$Entry e
         8: .line 734
            aload 3 /* e */
            invokeinterface java.util.Map$Entry.getKey:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 5 /* name */
        start local 5 // java.lang.String name
         9: .line 735
            aload 5 /* name */
            ldc "libgraal."
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifeq 17
        10: .line 736
            aload 5 /* name */
            ldc "libgraal.X"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifeq 15
        11: .line 737
            iconst_1
            anewarray java.lang.String
            dup
            iconst_0
            new java.lang.StringBuilder
            dup
            ldc "-"
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 5 /* name */
            ldc "libgraal."
            invokevirtual java.lang.String.length:()I
            invokevirtual java.lang.String.substring:(I)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 3 /* e */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast java.lang.String
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aastore
            astore 6 /* xarg */
        start local 6 // java.lang.String[] xarg
        12: .line 738
            invokestatic com.oracle.svm.core.option.XOptions.singleton:()Lcom/oracle/svm/core/option/XOptions;
            aload 6 /* xarg */
            iconst_0
            invokevirtual com.oracle.svm.core.option.XOptions.parse:([Ljava/lang/String;Z)[Ljava/lang/String;
            astore 7 /* unknown */
        start local 7 // java.lang.String[] unknown
        13: .line 739
            aload 7 /* unknown */
            arraylength
            ifne 17
        14: .line 740
            goto 17
        end local 7 // java.lang.String[] unknown
        end local 6 // java.lang.String[] xarg
        15: .line 743
      StackMap locals: com.oracle.svm.core.option.RuntimeOptionValues java.util.Map org.graalvm.collections.EconomicMap java.util.Map$Entry java.util.Iterator java.lang.String
      StackMap stack:
            aload 3 /* e */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 6 /* value */
        start local 6 // java.lang.String value
        16: .line 744
            aload 2 /* optionSettings */
            aload 5 /* name */
            ldc "libgraal."
            invokevirtual java.lang.String.length:()I
            invokevirtual java.lang.String.substring:(I)Ljava/lang/String;
            aload 6 /* value */
            invokeinterface org.graalvm.collections.EconomicMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 6 // java.lang.String value
        end local 5 // java.lang.String name
        end local 3 // java.util.Map$Entry e
        17: .line 733
      StackMap locals: com.oracle.svm.core.option.RuntimeOptionValues java.util.Map org.graalvm.collections.EconomicMap top java.util.Iterator
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 7
        18: .line 748
            aload 2 /* optionSettings */
            invokeinterface org.graalvm.collections.EconomicMap.isEmpty:()Z
            ifne 23
        19: .line 749
            invokestatic org.graalvm.compiler.options.OptionValues.newOptionMap:()Lorg/graalvm/collections/EconomicMap;
            astore 3 /* values */
        start local 3 // org.graalvm.collections.EconomicMap values
        20: .line 750
            invokestatic org.graalvm.compiler.options.OptionsParser.getOptionsLoader:()Ljava/lang/Iterable;
            astore 4 /* loader */
        start local 4 // java.lang.Iterable loader
        21: .line 751
            aload 2 /* optionSettings */
            aload 3 /* values */
            aload 4 /* loader */
            invokestatic org.graalvm.compiler.options.OptionsParser.parseOptions:(Lorg/graalvm/collections/EconomicMap;Lorg/graalvm/collections/EconomicMap;Ljava/lang/Iterable;)V
        22: .line 752
            aload 0 /* options */
            aload 3 /* values */
            invokevirtual com.oracle.svm.core.option.RuntimeOptionValues.update:(Lorg/graalvm/collections/UnmodifiableEconomicMap;)V
        end local 4 // java.lang.Iterable loader
        end local 3 // org.graalvm.collections.EconomicMap values
        23: .line 754
      StackMap locals: com.oracle.svm.core.option.RuntimeOptionValues java.util.Map org.graalvm.collections.EconomicMap
      StackMap stack:
            aload 0 /* options */
            areturn
        end local 2 // org.graalvm.collections.EconomicMap optionSettings
        end local 1 // java.util.Map savedProps
        end local 0 // com.oracle.svm.core.option.RuntimeOptionValues options
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            3   24     0         options  Lcom/oracle/svm/core/option/RuntimeOptionValues;
            5   24     1      savedProps  Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;
            6   24     2  optionSettings  Lorg/graalvm/collections/EconomicMap<Ljava/lang/String;Ljava/lang/String;>;
            8   17     3               e  Ljava/util/Map$Entry<Ljava/lang/String;Ljava/lang/String;>;
            9   17     5            name  Ljava/lang/String;
           12   15     6            xarg  [Ljava/lang/String;
           13   15     7         unknown  [Ljava/lang/String;
           16   17     6           value  Ljava/lang/String;
           20   23     3          values  Lorg/graalvm/collections/EconomicMap<Lorg/graalvm/compiler/options/OptionKey<*>;Ljava/lang/Object;>;
           21   23     4          loader  Ljava/lang/Iterable<Lorg/graalvm/compiler/options/OptionDescriptors;>;
    RuntimeVisibleAnnotations: 
      com.oracle.svm.core.annotate.Substitute()
}
SourceFile: "LibGraalFeature.java"
InnerClasses:
  public XFlag = com.oracle.svm.core.option.XOptions$XFlag of com.oracle.svm.core.option.XOptions
  public abstract Entry = java.util.Map$Entry of java.util.Map
    RuntimeVisibleAnnotations: 
      com.oracle.svm.core.annotate.TargetClass(className = "org.graalvm.compiler.hotspot.HotSpotGraalOptionValues", onlyWith = {Lcom/oracle/svm/graal/hotspot/libgraal/LibGraalFeature$IsEnabled;})