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: disk.rb
    path of file: ./repos/vagrant/plugins/kernel_v2/config
    
    the code of the file until where you have to start completion: # Copyright (c) HashiCorp, Inc.
# SPDX-License-Id
    
      def add_provider_config(**options, &block)
        current = {}
        options.each do |k,v|
          opts = k.to_s.split("__")

          if opts.size == 2
            current[opts[0].to_sym] = {opts[1].to_sym => v}
          elsif v.is_a?(Hash)
            current[k] = v
          else
            @logger.warn("Disk option '#{k}' found that does not match expected provider disk config schema.")
          end
        end

        current = @provider_config.merge(current) if !@provider_config.empty?
        if current
          @provider_config = current
        else
          @provider_config = {}
        end