https://www.graalvm.org/ 
class com.oracle.svm.core.graal.aarch64.SubstrateAArch64Feature$2 extends com.oracle.svm.core.graal.code.SubstrateBackendFactory
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.svm.core.graal.aarch64.SubstrateAArch64Feature$2
  super_class: com.oracle.svm.core.graal.code.SubstrateBackendFactory
{
  final com.oracle.svm.core.graal.aarch64.SubstrateAArch64Feature this$0;
    descriptor: Lcom/oracle/svm/core/graal/aarch64/SubstrateAArch64Feature;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(com.oracle.svm.core.graal.aarch64.SubstrateAArch64Feature);
    descriptor: (Lcom/oracle/svm/core/graal/aarch64/SubstrateAArch64Feature;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.svm.core.graal.aarch64.SubstrateAArch64Feature$2 this
         0: .line 70
            aload 0 /* this */
            aload 1
            putfield com.oracle.svm.core.graal.aarch64.SubstrateAArch64Feature$2.this$0:Lcom/oracle/svm/core/graal/aarch64/SubstrateAArch64Feature;
            aload 0 /* this */
            invokespecial com.oracle.svm.core.graal.code.SubstrateBackendFactory.<init>:()V
            return
        end local 0 // com.oracle.svm.core.graal.aarch64.SubstrateAArch64Feature$2 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/svm/core/graal/aarch64/SubstrateAArch64Feature$2;
    MethodParameters:
        Name  Flags
      this$0  final

  public com.oracle.svm.core.graal.code.SubstrateBackend newBackend(org.graalvm.compiler.phases.util.Providers);
    descriptor: (Lorg/graalvm/compiler/phases/util/Providers;)Lcom/oracle/svm/core/graal/code/SubstrateBackend;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // com.oracle.svm.core.graal.aarch64.SubstrateAArch64Feature$2 this
        start local 1 // org.graalvm.compiler.phases.util.Providers newProviders
         0: .line 73
            new com.oracle.svm.core.graal.aarch64.SubstrateAArch64Backend
            dup
            aload 1 /* newProviders */
            invokespecial com.oracle.svm.core.graal.aarch64.SubstrateAArch64Backend.<init>:(Lorg/graalvm/compiler/phases/util/Providers;)V
            areturn
        end local 1 // org.graalvm.compiler.phases.util.Providers newProviders
        end local 0 // com.oracle.svm.core.graal.aarch64.SubstrateAArch64Feature$2 this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    1     0          this  Lcom/oracle/svm/core/graal/aarch64/SubstrateAArch64Feature$2;
            0    1     1  newProviders  Lorg/graalvm/compiler/phases/util/Providers;
    MethodParameters:
              Name  Flags
      newProviders  
}
SourceFile: "SubstrateAArch64Feature.java"
EnclosingMethod: com.oracle.svm.core.graal.aarch64.SubstrateAArch64Feature.afterRegistration:(Lorg/graalvm/nativeimage/hosted/Feature$AfterRegistrationAccess;)V
NestHost: com.oracle.svm.core.graal.aarch64.SubstrateAArch64Feature
InnerClasses:
  com.oracle.svm.core.graal.aarch64.SubstrateAArch64Feature$2
  public abstract AfterRegistrationAccess = org.graalvm.nativeimage.hosted.Feature$AfterRegistrationAccess of org.graalvm.nativeimage.hosted.Feature