https://www.graalvm.org/ 
class com.oracle.svm.hosted.substitute.PlatformsDescriptor extends com.oracle.svm.hosted.substitute.DataObject
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.svm.hosted.substitute.PlatformsDescriptor
  super_class: com.oracle.svm.hosted.substitute.DataObject
{
  void <init>(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.svm.hosted.substitute.PlatformsDescriptor this
        start local 1 // java.lang.Object data
         0: .line 369
            aload 0 /* this */
            aload 1 /* data */
            invokespecial com.oracle.svm.hosted.substitute.DataObject.<init>:(Ljava/lang/Object;)V
         1: .line 370
            return
        end local 1 // java.lang.Object data
        end local 0 // com.oracle.svm.hosted.substitute.PlatformsDescriptor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/svm/hosted/substitute/PlatformsDescriptor;
            0    2     1  data  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      data  

  java.util.List<java.lang.String> platforms();
    descriptor: ()Ljava/util/List;
    flags: (0x0000) 
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // com.oracle.svm.hosted.substitute.PlatformsDescriptor this
         0: .line 373
            aload 0 /* this */
            ldc "platforms"
            aconst_null
            invokevirtual com.oracle.svm.hosted.substitute.PlatformsDescriptor.get:(Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.util.List
            areturn
        end local 0 // com.oracle.svm.hosted.substitute.PlatformsDescriptor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/svm/hosted/substitute/PlatformsDescriptor;
    Signature: ()Ljava/util/List<Ljava/lang/String;>;

  static <T> T cast();
    descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.lang.Object o
         0: .line 401
            aload 0 /* o */
            areturn
        end local 0 // java.lang.Object o
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0     o  Ljava/lang/Object;
    Signature: <T:Ljava/lang/Object;>(Ljava/lang/Object;)TT;
    MethodParameters:
      Name  Flags
      o     
}
SourceFile: "DeclarativeSubstitutionProcessor.java"
NestMembers:
  com.oracle.svm.hosted.substitute.PlatformsDescriptor$PlatformsImpl
InnerClasses:
  PlatformsImpl = com.oracle.svm.hosted.substitute.PlatformsDescriptor$PlatformsImpl of com.oracle.svm.hosted.substitute.PlatformsDescriptor
    RuntimeInvisibleAnnotations: 
      org.graalvm.compiler.core.common.SuppressFBWarnings(value = {"UwF"}, justification = "Fields written by GSON using reflection")