Comment_attachment.comment_bounds_collector constraint 'a = Js_parser.Loc.tinherit Js_parser.Flow_ast_mapper.mappermethod collect_comments: 'internal. Js_parser.Flow_ast.Syntax.t('a, 'internal) =>
  unitmethod collect_comments_opt: option(Js_parser.Flow_ast.Syntax.t('a,
                                                                 list(
                                                                   Js_parser__Flow_ast.Comment.t('a)))) =>
  unitmethod syntax: 'internal. Js_parser.Flow_ast_mapper.Ast.Syntax.t('a, 'internal) =>
  Js_parser.Flow_ast_mapper.Ast.Syntax.t('a, 'internal)method block: 'a =>
  Js_parser.Flow_ast_mapper.Ast.Statement.Block.t('a, 'a) =>
  Js_parser.Flow_ast_mapper.Ast.Statement.Block.t('a, 'a)