hello(Who) ->
  who(Who).

who(undefined) ->
  undefined;
who(_) ->
  ?MODULE_STRING.

test() ->
  ?MODULE_STRING.

test_two(_) ->
 ?MODULE_STRING.

[
 {
   elvis,
   [
    {config,
     [#{dirs => ["src", "test"],
        filter => "*.erl",
        rules => [
          {elvis_style, dont_repeat_yourself},
          {elvis_style, function_naming_convention, #{regex => "^([a-z]*_?)*(_SUITE)?$"}},
          {elvis_style, god_modules, #{limit => 25}},
          {elvis_style, invalid_dynamic_calls},
          {elvis_style, line_length, #{limit => 120}},
          {elvis_style, macro_module_names, #{}},
          {elvis_style, macro_names, #{}},
          {elvis_style, max_function_length, #{max_length => 50, count_comments => false, count_whitespace => false}},
          {elvis_style, max_module_length, #{max_length => 1000, count_comments => false, count_whitespace => false}},
          {elvis_style, module_naming_convention, #{regex => "^([a-z][a-z0-9]*_?)*(_SUITE)?$"}},
          {elvis_style, nesting_level, #{level => 3}},
          {elvis_style, no_behavior_info, #{}},
          {elvis_style, no_debug_call},
          {elvis_style, no_if_expression, #{}},
          {elvis_style, no_nested_try_catch, #{}},
          {elvis_style, no_spec_with_records, #{}},
          {elvis_style, no_tabs, #{}},
          {elvis_style, no_trailing_whitespace, #{ignore_empty_lines => true}},
          {elvis_style, operator_spaces, #{rules => [{right, ","}, {right, "++"}, {left, "++"}]}},
          {elvis_style, state_record_and_type, #{}},
          {elvis_style, used_ignored_variable, #{}},
          {elvis_style, variable_naming_convention, #{regex => "^([A-Z][0-9a-zA-Z]*)$"}}
        ],
        ruleset => erl_files
       },
      #{dirs => ["."],
        filter => "Makefile",
        ruleset => makefiles
       },
      #{dirs => ["."],
        filter => "rebar.config",
        ruleset => rebar_config
       },
      #{dirs => ["."],
        filter => "elvis.config",
        ruleset => elvis_config
       }
     ]
    }
   ]
 }
].