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: formula.rb
    path of file: ./repos/brew/Library/Homebrew/rubocops/extend
    
    the code of the file until where you have to start completion: # Silence compatibility warning.
begin
  old_verbosity = $VERBOSE
  $VERBOSE = nil
  requi
    
      def find_every_func_call_by_name(node, func_name = nil)
        return if node.nil?

        node.each_descendant(:send).select do |func_node|
          func_node.receiver.nil? && (func_name.nil? || func_name == func_node.method_name)
        end
      end