public interface org.jruby.RubyEnumerator$SizeFn
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.jruby.RubyEnumerator$SizeFn
  super_class: java.lang.Object
{
  public abstract org.jruby.runtime.builtin.IRubyObject size(org.jruby.runtime.builtin.IRubyObject[]);
    descriptor: ([Lorg/jruby/runtime/builtin/IRubyObject;)Lorg/jruby/runtime/builtin/IRubyObject;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      args  
}
SourceFile: "RubyEnumerator.java"
NestHost: org.jruby.RubyEnumerator
InnerClasses:
  public abstract SizeFn = org.jruby.RubyEnumerator$SizeFn of org.jruby.RubyEnumerator