module ActionView::ViewPaths::ClassMethods

def _prefixes # :nodoc:

:nodoc: 
def _prefixes # :nodoc:
  @_prefixes ||= begin
    deprecated_prefixes = handle_deprecated_parent_prefixes
    if deprecated_prefixes
      deprecated_prefixes
    else
      return local_prefixes if superclass.abstract?
      local_prefixes + superclass._prefixes
    end
  end
end

def append_view_path(path)

(see ActionView::PathSet for more information)
the default view path. You may also provide a custom view path
* path - If a String is provided, it gets converted into
==== Parameters

Append a path to the list of view paths for this controller. 
def append_view_path(path)
  self._view_paths = view_paths + Array(path)
end

def handle_deprecated_parent_prefixes # TODO: remove in 4.3/5.0.

TODO: remove in 4.3/5.0. 
def handle_deprecated_parent_prefixes # TODO: remove in 4.3/5.0.
  return unless respond_to?(:parent_prefixes)
  ActiveSupport::Deprecation.warn(<<-MSG.squish)
    Overriding `ActionController::Base::parent_prefixes` is deprecated,
    override `.local_prefixes` instead.
  MSG
  local_prefixes + parent_prefixes
end

def local_prefixes

Prefixes defined here will still be added to parents' ._prefixes.
Override this method in your controller if you want to change paths prefixes for finding views. 
def local_prefixes
  [controller_path]
end

def prepend_view_path(path)

(see ActionView::PathSet for more information)
the default view path. You may also provide a custom view path
* path - If a String is provided, it gets converted into
==== Parameters

Prepend a path to the list of view paths for this controller. 
def prepend_view_path(path)
  self._view_paths = ActionView::PathSet.new(Array(path) + view_paths)
end

def view_paths

A list of all of the default view paths for this controller. 
def view_paths
  _view_paths
end

def view_paths=(paths)

otherwise, process the parameter into a PathSet.
* paths - If a PathSet is provided, use that;
==== Parameters

Set the view paths. 
def view_paths=(paths)
  self._view_paths = ActionView::PathSet.new(Array(paths))
end