code: function createFilesProvider({
        regex = null
      , single = HANDLE
      , multi = PROMPT_AND_HANDLE
      , choiceAll = true
      , handler = null
      , promptHeader = defaultPromptHeader
      , promptFooter = defaultPromptFooter
    } = {}) {
    return new FilesProvider({
        regex
      , single
      , multi
      , choiceAll
      , handler
      , promptHeader
      , promptFooter
    })
  }
docs: Creates a FilesProvider
  
  @param {Object} $0 options
  @param {RegExp} $0.regex the regex to match the files with
  @param {Number} [$0.single = PROMPT] strategy for handling a single file `HANDLE|RETURN`
  @param {Number} [$0.multi = PROMPT_AND_HANDLE] strategy for handling multiple files `HANDLE|PROMPT|RETURN|PROMPT_AND_HANDLE`
  @param {Boolean} [$0.choiceAll = true] if `true` a choice to select all files is included when multiple files are found
  @param {function} $0.handler function to call when `HANDLE|PROMPT_AND_HANDLE` strategies are selected
  @param {String} $0.promptHeader header when prompting user to select a file
  @param {String} $0.promptFooter footer when prompting user to select a file
  
  @return {FilesProvider} the files provider