prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  [V2.2.0] ChatPromptBuilder is not export
  **Describe the bug**
  v2.2.0 => ChatPromptBuilder is not export
  
  **Error message**
  <img width="1102" alt="image" src="https://github.com/deepset-ai/haystack/assets/15232298/b9372767-42f5-464c-832f-cca38a00cf60">
  
  
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `haystack/components/builders/__init__.py`
  Content:
  ```
  1 # SPDX-FileCopyrightText: 2022-present deepset GmbH <info@deepset.ai>
  2 #
  3 # SPDX-License-Identifier: Apache-2.0
  4 
  5 from haystack.components.builders.answer_builder import AnswerBuilder
  6 from haystack.components.builders.dynamic_chat_prompt_builder import DynamicChatPromptBuilder
  7 from haystack.components.builders.dynamic_prompt_builder import DynamicPromptBuilder
  8 from haystack.components.builders.prompt_builder import PromptBuilder
  9 
  10 __all__ = ["AnswerBuilder", "PromptBuilder", "DynamicPromptBuilder", "DynamicChatPromptBuilder"]
  11
  ```
  --- END FILES ---
  
  Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.
  
  Here is an example:
  
  ```diff
  diff --git a/examples/server_async.py b/examples/server_async.py
  --- a/examples/server_async.py
  +++ b/examples/server_async.py
  @@ -313,4 +313,4 @@
   
   
   if __name__ == "__main__":
  -    asyncio.run(run_async_server("."), debug=True)
  +    asyncio.run(run_async_server(), debug=True)
  diff --git a/examples/server_sync.py b/examples/server_sync.py
  --- a/examples/server_sync.py
  +++ b/examples/server_sync.py
  @@ -313,5 +313,5 @@
   
   
   if __name__ == "__main__":
  -    server = run_sync_server(".")
  +    server = run_sync_server()
       server.shutdown()
  
  ```
  
golden_diff: diff --git a/haystack/components/builders/__init__.py b/haystack/components/builders/__init__.py
  --- a/haystack/components/builders/__init__.py
  +++ b/haystack/components/builders/__init__.py
  @@ -3,8 +3,9 @@
   # SPDX-License-Identifier: Apache-2.0
   
   from haystack.components.builders.answer_builder import AnswerBuilder
  +from haystack.components.builders.chat_prompt_builder import ChatPromptBuilder
   from haystack.components.builders.dynamic_chat_prompt_builder import DynamicChatPromptBuilder
   from haystack.components.builders.dynamic_prompt_builder import DynamicPromptBuilder
   from haystack.components.builders.prompt_builder import PromptBuilder
   
  -__all__ = ["AnswerBuilder", "PromptBuilder", "DynamicPromptBuilder", "DynamicChatPromptBuilder"]
  +__all__ = ["AnswerBuilder", "PromptBuilder", "DynamicPromptBuilder", "DynamicChatPromptBuilder", "ChatPromptBuilder"]
  
verification_info: {"golden_diff": "diff --git a/haystack/components/builders/__init__.py b/haystack/components/builders/__init__.py\n--- a/haystack/components/builders/__init__.py\n+++ b/haystack/components/builders/__init__.py\n@@ -3,8 +3,9 @@\n # SPDX-License-Identifier: Apache-2.0\n \n from haystack.components.builders.answer_builder import AnswerBuilder\n+from haystack.components.builders.chat_prompt_builder import ChatPromptBuilder\n from haystack.components.builders.dynamic_chat_prompt_builder import DynamicChatPromptBuilder\n from haystack.components.builders.dynamic_prompt_builder import DynamicPromptBuilder\n from haystack.components.builders.prompt_builder import PromptBuilder\n \n-__all__ = [\"AnswerBuilder\", \"PromptBuilder\", \"DynamicPromptBuilder\", \"DynamicChatPromptBuilder\"]\n+__all__ = [\"AnswerBuilder\", \"PromptBuilder\", \"DynamicPromptBuilder\", \"DynamicChatPromptBuilder\", \"ChatPromptBuilder\"]\n", "issue": "[V2.2.0] ChatPromptBuilder is not export\n**Describe the bug**\r\nv2.2.0 => ChatPromptBuilder is not export\r\n\r\n**Error message**\r\n<img width=\"1102\" alt=\"image\" src=\"https://github.com/deepset-ai/haystack/assets/15232298/b9372767-42f5-464c-832f-cca38a00cf60\">\r\n\r\n\n", "before_files": [{"content": "# SPDX-FileCopyrightText: 2022-present deepset GmbH <info@deepset.ai>\n#\n# SPDX-License-Identifier: Apache-2.0\n\nfrom haystack.components.builders.answer_builder import AnswerBuilder\nfrom haystack.components.builders.dynamic_chat_prompt_builder import DynamicChatPromptBuilder\nfrom haystack.components.builders.dynamic_prompt_builder import DynamicPromptBuilder\nfrom haystack.components.builders.prompt_builder import PromptBuilder\n\n__all__ = [\"AnswerBuilder\", \"PromptBuilder\", \"DynamicPromptBuilder\", \"DynamicChatPromptBuilder\"]\n", "path": "haystack/components/builders/__init__.py"}], "after_files": [{"content": "# SPDX-FileCopyrightText: 2022-present deepset GmbH <info@deepset.ai>\n#\n# SPDX-License-Identifier: Apache-2.0\n\nfrom haystack.components.builders.answer_builder import AnswerBuilder\nfrom haystack.components.builders.chat_prompt_builder import ChatPromptBuilder\nfrom haystack.components.builders.dynamic_chat_prompt_builder import DynamicChatPromptBuilder\nfrom haystack.components.builders.dynamic_prompt_builder import DynamicPromptBuilder\nfrom haystack.components.builders.prompt_builder import PromptBuilder\n\n__all__ = [\"AnswerBuilder\", \"PromptBuilder\", \"DynamicPromptBuilder\", \"DynamicChatPromptBuilder\", \"ChatPromptBuilder\"]\n", "path": "haystack/components/builders/__init__.py"}]}