class Asciidoctor::Extensions::ProcessorExtension

possible to accommodate both concrete extension implementations and Procs.
reference to the {Processor#process} method. By storing this reference, its
Public: A specialization of the Extension proxy that additionally stores a

def initialize kind, instance, process_method = nil 

def initialize kind, instance, process_method = nil
  super kind, instance, instance.config
  @process_method = process_method || (instance.method :process)
end