| # Specify analysis options. | 
 | # | 
 | # Note that until there is a default "all-in" lint rule-set we need | 
 | # to opt-in to all desired lints (https://github.com/dart-lang/sdk/issues/25843). | 
 | # For a list of lints, see: http://dart-lang.github.io/linter/lints/ | 
 |  | 
 | # This file is the .analysis_options file used by Flutter editors, such as | 
 | # Atom. It is very similar to flutter_tools/flutter_analysis_options; the only | 
 | # difference (currently) is the public_member_api_docs option, which triggers | 
 | # too many messages to be used in editors. | 
 |  | 
 | analyzer: | 
 |   language: | 
 |     enableStrictCallChecks: true | 
 |     enableSuperMixins: true | 
 |   strong-mode: true | 
 |   errors: | 
 |     # we allow overriding fields (if they use super, ideally...) | 
 |     strong_mode_invalid_field_override: ignore | 
 |     # we allow type narrowing | 
 |     strong_mode_invalid_method_override: ignore | 
 |     strong_mode_static_type_error: ignore | 
 |     strong_mode_down_cast_composite: ignore | 
 |     # we allow having TODOs in the code | 
 |     todo: ignore | 
 | linter: | 
 |   rules: | 
 |     - avoid_empty_else | 
 |     - always_declare_return_types | 
 |     - always_specify_types | 
 |     - annotate_overrides | 
 |     - avoid_as | 
 |     - avoid_init_to_null | 
 |     # - avoid_return_types_on_setters # https://github.com/dart-lang/linter/issues/202 | 
 |     - camel_case_types | 
 |     # - constant_identifier_names # https://github.com/dart-lang/linter/issues/204 (and 203) | 
 |     - empty_constructor_bodies | 
 |     - hash_and_equals | 
 |     # - implementation_imports # https://github.com/dart-lang/linter/issues/203 | 
 |     - library_names | 
 |     - library_prefixes | 
 |     - non_constant_identifier_names | 
 |     # - one_member_abstracts # https://github.com/dart-lang/linter/issues/203 | 
 |     - package_api_docs | 
 |     - package_names | 
 |     - package_prefixed_library_names | 
 |     - prefer_is_not_empty | 
 |     - slash_for_doc_comments | 
 |     - sort_constructors_first | 
 |     - sort_unnamed_constructors_first | 
 |     - super_goes_last | 
 |     - type_annotate_public_apis # subset of always_specify_types | 
 |     - type_init_formals | 
 |     - unnecessary_brace_in_string_interp | 
 |     - unnecessary_getters_setters |