https://www.graalvm.org/ 
class com.oracle.svm.hosted.jdk.JNIRegistrationSupport$1 implements org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.svm.hosted.jdk.JNIRegistrationSupport$1
  super_class: java.lang.Object
{
  final com.oracle.svm.hosted.jdk.JNIRegistrationSupport this$0;
    descriptor: Lcom/oracle/svm/hosted/jdk/JNIRegistrationSupport;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(com.oracle.svm.hosted.jdk.JNIRegistrationSupport);
    descriptor: (Lcom/oracle/svm/hosted/jdk/JNIRegistrationSupport;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.svm.hosted.jdk.JNIRegistrationSupport$1 this
         0: .line 66
            aload 0 /* this */
            aload 1
            putfield com.oracle.svm.hosted.jdk.JNIRegistrationSupport$1.this$0:Lcom/oracle/svm/hosted/jdk/JNIRegistrationSupport;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.oracle.svm.hosted.jdk.JNIRegistrationSupport$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/svm/hosted/jdk/JNIRegistrationSupport$1;
    MethodParameters:
        Name  Flags
      this$0  final

  public boolean apply(org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext, jdk.vm.ci.meta.ResolvedJavaMethod, org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin$Receiver, org.graalvm.compiler.nodes.ValueNode);
    descriptor: (Lorg/graalvm/compiler/nodes/graphbuilderconf/GraphBuilderContext;Ljdk/vm/ci/meta/ResolvedJavaMethod;Lorg/graalvm/compiler/nodes/graphbuilderconf/InvocationPlugin$Receiver;Lorg/graalvm/compiler/nodes/ValueNode;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=6, args_size=5
        start local 0 // com.oracle.svm.hosted.jdk.JNIRegistrationSupport$1 this
        start local 1 // org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext b
        start local 2 // jdk.vm.ci.meta.ResolvedJavaMethod targetMethod
        start local 3 // org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin$Receiver receiver
        start local 4 // org.graalvm.compiler.nodes.ValueNode libnameNode
         0: .line 69
            aload 4 /* libnameNode */
            invokevirtual org.graalvm.compiler.nodes.ValueNode.isConstant:()Z
            ifeq 4
         1: .line 70
            aload 4 /* libnameNode */
            invokevirtual org.graalvm.compiler.nodes.ValueNode.asConstant:()Ljdk/vm/ci/meta/Constant;
            invokestatic com.oracle.svm.core.meta.SubstrateObjectConstant.asObject:(Ljdk/vm/ci/meta/Constant;)Ljava/lang/Object;
            checkcast java.lang.String
            astore 5 /* libname */
        start local 5 // java.lang.String libname
         2: .line 71
            aload 5 /* libname */
            ifnull 4
            invokestatic com.oracle.svm.core.jdk.NativeLibrarySupport.singleton:()Lcom/oracle/svm/core/jdk/NativeLibrarySupport;
            aload 5 /* libname */
            invokevirtual com.oracle.svm.core.jdk.NativeLibrarySupport.isPreregisteredBuiltinLibrary:(Ljava/lang/String;)Z
            ifeq 4
            aload 0 /* this */
            getfield com.oracle.svm.hosted.jdk.JNIRegistrationSupport$1.this$0:Lcom/oracle/svm/hosted/jdk/JNIRegistrationSupport;
            getfield com.oracle.svm.hosted.jdk.JNIRegistrationSupport.registeredLibraries:Ljava/util/concurrent/ConcurrentMap;
            aload 5 /* libname */
            getstatic java.lang.Boolean.TRUE:Ljava/lang/Boolean;
            invokeinterface java.util.concurrent.ConcurrentMap.putIfAbsent:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            getstatic java.lang.Boolean.TRUE:Ljava/lang/Boolean;
            if_acmpeq 4
         3: .line 79
            aload 0 /* this */
            getfield com.oracle.svm.hosted.jdk.JNIRegistrationSupport$1.this$0:Lcom/oracle/svm/hosted/jdk/JNIRegistrationSupport;
            getfield com.oracle.svm.hosted.jdk.JNIRegistrationSupport.nativeLibraries:Lcom/oracle/svm/hosted/c/NativeLibraries;
            aload 5 /* libname */
            iconst_0
            anewarray java.lang.String
            invokevirtual com.oracle.svm.hosted.c.NativeLibraries.addStaticJniLibrary:(Ljava/lang/String;[Ljava/lang/String;)V
        end local 5 // java.lang.String libname
         4: .line 85
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        end local 4 // org.graalvm.compiler.nodes.ValueNode libnameNode
        end local 3 // org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin$Receiver receiver
        end local 2 // jdk.vm.ci.meta.ResolvedJavaMethod targetMethod
        end local 1 // org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext b
        end local 0 // com.oracle.svm.hosted.jdk.JNIRegistrationSupport$1 this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    5     0          this  Lcom/oracle/svm/hosted/jdk/JNIRegistrationSupport$1;
            0    5     1             b  Lorg/graalvm/compiler/nodes/graphbuilderconf/GraphBuilderContext;
            0    5     2  targetMethod  Ljdk/vm/ci/meta/ResolvedJavaMethod;
            0    5     3      receiver  Lorg/graalvm/compiler/nodes/graphbuilderconf/InvocationPlugin$Receiver;
            0    5     4   libnameNode  Lorg/graalvm/compiler/nodes/ValueNode;
            2    4     5       libname  Ljava/lang/String;
    MethodParameters:
              Name  Flags
      b             
      targetMethod  
      receiver      
      libnameNode   
}
SourceFile: "JNIRegistrationSupport.java"
EnclosingMethod: com.oracle.svm.hosted.jdk.JNIRegistrationSupport.registerNativeLibrary:(Lorg/graalvm/compiler/phases/util/Providers;Lorg/graalvm/compiler/nodes/graphbuilderconf/GraphBuilderConfiguration$Plugins;Ljava/lang/Class;Ljava/lang/String;)V
NestHost: com.oracle.svm.hosted.jdk.JNIRegistrationSupport
InnerClasses:
  com.oracle.svm.hosted.jdk.JNIRegistrationSupport$1
  public Plugins = org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration$Plugins of org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration
  public abstract Receiver = org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin$Receiver of org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin