Expanded class hierarchy of views_handler_argument

class views_object
- class views_handler
  - class views_handler_area
  - class views_handler_argument
    class views_handler_argument_broken
    class views_handler_argument_comment_user_uid
    class views_handler_argument_formula
    class views_handler_argument_group_by_numeric
    class views_handler_argument_locale_language
    class views_handler_argument_many_to_one
    class views_handler_argument_node_language
    class views_handler_argument_null
    class views_handler_argument_numeric
    class views_handler_argument_search
    class views_handler_argument_string
    class views_handler_argument_term_language
    class views_handler_argument_term_node_tid_depth
    class views_handler_argument_term_node_tid_depth_modifier
  - class views_handler_field
  - class views_handler_filter
  - class views_handler_relationship
  - class views_handler_sort
- class views_plugin