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: collector.rb
    path of file: ./repos/ruby-lsp/lib/ruby_indexer/lib/ruby_indexer
    
    the code of the file until where you have to start completion: # typed: strict
# frozen_string_literal: true

module RubyIndexer
  class Collector
    extend T::Sig

   
    
    def handle_call_node(node)
      message = node.name

      case message
      when :private_constant
        handle_private_constant(node)
      when :attr_reader
        handle_attribute(node, reader: true, writer: false)
      when :attr_writer
        handle_attribute(node, reader: false, writer: true)
      when :attr_accessor
        handle_attribute(node, reader: true, writer: true)
      end