https://github.com/oracle/graal: GraalVM is an ecosystem for compiling and running applications written in multiple languages. GraalVM removes the isolation between programming languages and enables interoperability in a shared runtime. 
public interface org.graalvm.nativeimage.c.CContext extends java.lang.annotation.Annotation
  minor version: 0
  major version: 59
  flags: flags: (0x2601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT, ACC_ANNOTATION
  this_class: org.graalvm.nativeimage.c.CContext
  super_class: java.lang.Object
{
  public abstract java.lang.Class<? extends org.graalvm.nativeimage.c.CContext$Directives> value();
    descriptor: ()Ljava/lang/Class;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()Ljava/lang/Class<+Lorg/graalvm/nativeimage/c/CContext$Directives;>;
}
SourceFile: "CContext.java"
NestMembers:
  org.graalvm.nativeimage.c.CContext$Directives
InnerClasses:
  public abstract Directives = org.graalvm.nativeimage.c.CContext$Directives of org.graalvm.nativeimage.c.CContext
    RuntimeVisibleAnnotations: 
      java.lang.annotation.Retention(value = java.lang.annotation.RetentionPolicy.RUNTIME:Ljava/lang/annotation/RetentionPolicy;)
      java.lang.annotation.Target(value = {java.lang.annotation.ElementType.TYPE:Ljava/lang/annotation/ElementType;})