anchor.diff:    static const CONVERT_DOCUMENTATION_INTO_LINE = const AssistKind(
         'dart.assist.convert.lineComment',
         30,
  -      "Convert to line documentation comment");
  +      "Convert to line documentation comment",
  +      associatedErrorCodes: <String>['slash_for_doc_comments']);
     static const CONVERT_INTO_ASYNC_BODY = const AssistKind(
         'dart.assist.convert.bodyToAsync', 30, "Convert to async function body");
     static const CONVERT_INTO_BLOCK_BODY = const AssistKind(
  
positive.code:       'dart.assist.convert.bodyToExpression', 30, "Convert to expression body",
        associatedErrorCodes: <String>['prefer_expression_function_bodies']);
    static const CONVERT_INTO_FINAL_FIELD = const AssistKind(
        'dart.assist.convert.getterToFinalField', 30, "Convert to final field");
    static const CONVERT_INTO_FOR_INDEX = const AssistKind(
        'dart.assist.convert.forEachToForIndex', 30, "Convert to for-index loop");
    static const CONVERT_INTO_GENERIC_FUNCTION_SYNTAX = const AssistKind(
  
negative.code:       30,
        "Convert to normal parameter");
    static const CONVERT_TO_SET_LITERAL = const AssistKind(
        'dart.assist.convert.toSetLiteral', 30, "Convert to set literal",
        // todo (brianwilkerson): unify w/ fix
        associatedErrorCodes: <String>['prefer_collection_literals']);
    static const CONVERT_TO_SINGLE_QUOTED_STRING = const AssistKind(
        'dart.assist.convert.toSingleQuotedString',
        30,
  