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: install.rb
    path of file: ./repos/vagrant/plugins/commands/plugin/command
    
    the code of the file until where you have to start completion: # Copyright (c) HashiCorp, Inc.
# SPDX-License-Identifier: BUSL-1.1

require 'optparse'

require_relative "base"
require_relative "mixin_install_opts"

module VagrantPlugins
  module CommandPlugin
    module Command
      class Install < Base
        include MixinInstallOpts

        LOCAL_INSTALL_PAUSE = 3

        def execute
          options = { verbose: false }

          opts = OptionParser.new do |o|
            o.banner = "Usage: vagrant plugin install <name>... [-h]"
            o.separator ""
            build_install_opts(o, options)

            o.on("--local", "Install plugin for local project only")
    
        def execute
          options = { verbose: false }

          opts = OptionParser.new do |o|
            o.banner = "Usage: vagrant plugin install <name>... [-h]"
            o.separator ""
            build_install_opts(o, options)

            o.on("--local", "Install plugin for local project only") do |l|
              options[:env_local] = l
            end

            o.on("--verbose", "Enable verbose output for plugin installation") do |v|
              options[:verbose] = v
            end
          end

          # Parse the options
          argv = parse_options(opts)
          return if !argv

          if argv.length < 1
            raise Vagrant::Errors::CLIInvalidUsage, help: opts.help.chomp if !options[:env_local]

            errors = @env.vagrantfile.config.vagrant.validate(nil)
            if !errors["vagrant"].empty?
              raise Errors::ConfigInvalid,
                errors: Util::TemplateRenderer.render(
                "config/validation_failed",
                errors: errors)
            end