https://openjdk.java.net/ 
public interface jdk.internal.reflect.MethodAccessor
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: jdk.internal.reflect.MethodAccessor
  super_class: java.lang.Object
{
  public abstract java.lang.Object invoke(java.lang.Object, java.lang.Object[]);
    descriptor: (Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.lang.IllegalArgumentException, java.lang.reflect.InvocationTargetException
    MethodParameters:
      Name  Flags
      obj   
      args  
}
SourceFile: "MethodAccessor.java"