module RSpec::Matchers

def self.const_missing(name)
  case name
    when :OperatorMatcher
      RSpec.deprecate("`RSpec::Matchers::OperatorMatcher`",
                      :replacement => "`RSpec::Matchers::BuiltIn::OperatorMatcher`")
      BuiltIn::OperatorMatcher
    when :Configuration
      RSpec.deprecate("`RSpec::Matchers::Configuration`",
                      :replacement => "`RSpec::Expectations::Configuration`")
      Expectations::Configuration
    else super
  end
end