1  # SPDX-FileCopyrightText: 2022-present deepset GmbH <info@deepset.ai>
 2  #
 3  # SPDX-License-Identifier: Apache-2.0
 4  
 5  from __future__ import annotations
 6  
 7  from haystack import component
 8  
 9  
10  @component
11  class HelloUsingFutureAnnotations:
12      @component.output_types(output=str)
13      def run(self, word: str) -> dict[str, str]:
14          """Takes a string in input and returns "Hello, <string>!"in output."""
15          return {"output": f"Hello, {word}!"}