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()

```

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"]

{"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"}]}