module RSpec::Core

def self.configuration
  RSpec.deprecate('RSpec::Core.configuration', 'RSpec.configuration', '2.0.0')
  RSpec.configuration
end

def self.configure
  RSpec.deprecate('RSpec::Core.configure', 'RSpec.configure', '2.0.0')
  yield RSpec.configuration if block_given?
end

def self.install_directory
  @install_directory ||= File.expand_path(File.dirname(__FILE__))
end

def self.world
  RSpec.deprecate('RSpec::Core.world', 'RSpec.world', '2.0.0')
  RSpec.world
end