You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: has_include_blank.rb
    path of file: ./repos/avo/lib/avo/fields/field_extensions
    
    the code of the file until where you have to start completion: module Avo
  module Fields
    
        def include_blank
          if @args[:include_blank] == true
            placeholder || "â€”"
          elsif @args[:include_blank] == false
            false
          else
            @args[:include_blank]
          end