Describe the bug

Bedrock LLM calling doesn't have the structured responses integrated - crucial for any agent building.
Bedrock doesn't support response format, we can see this log line in your code:
if "response_format" in kwargs and kwargs["response_format"] is not None: warnings.warn("response_format is not supported for Bedrock, it will be ignored.", UserWarning)
However, there is functionality in bedrock to have output schemas, see here aws.amazon.com/blogs/machine-learning/structured-data-response-with-amazon-bedrock-prompt-engineering-and-tool-use/
Please can you expose this through the bedrock wrapper ASAP as it's totally blocking for using ag2 with bedrock, thanks! (edited)

Steps to reproduce

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Model Used

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Expected Behavior

Expose the structured outputs in some way.

Screenshots and logs

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Additional Information

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