class Guard::Watcher::Pattern

def self.create(pattern)
  if DeprecatedRegexp.new(pattern).deprecated?
    DeprecatedRegexp.show_deprecation(pattern)
    return DeprecatedRegexp.convert(pattern)
  end
  return PathnamePath.new(pattern) if pattern.is_a?(Pathname)
  return SimplePath.new(pattern) if pattern.is_a?(String)
  Matcher.new(pattern)
end