feat(stepfunctions): add support for custom WriterConfig fields for ResultWriter in Distributed Map (#33772) and (#33601)

[vishalsatam]

feat(stepfunctions): Create a new ResultWriterV2 class to support WriterConfig in ResultWriter object in Distributed Map

Closes #33772 and #33601.

Reason for making this change:
A new property WriterConfig was added under ResultWriter property of Distributed Map.
WriterConfig contains OutputType and Transformation

Ref: https://docs.aws.amazon.com/step-functions/latest/dg/input-output-resultwriter.html#input-output-resultwriter-field-contents

ItemReader also supports "JSONL" as the InputType. It's currently missing in the enum.
Ref: https://docs.aws.amazon.com/step-functions/latest/dg/input-output-itemreader.html#itemreader-field-contents

Changes:

• Created a copy of ResultWriter as ResultWriterV2 to avoid introducing a breaking change to ResultWriter.
• Consumers will need to set feature@aws-cdk/aws-stepfunctions:useDistributedMapResultWriterV2 to true in the context.
• Create new class WriterConfig and add writerConfig property under ResultWriterV2 in Distributed Map.
• Add OutputType and Transformation properties under WriterConfig.
• Add Warning when ResultWriter is empty.
• Add the missing JSONL type which is a part of InputType ItemReader of Distributed Map.
• Permissions - No additions. But removed the permission to put object when just writerConfig is specified.
• Also added the missing JSONL from InputType in the ItemReader of Distributed Map.
• Add a unit test and an integ test.

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

---

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[aws-cdk-automation]

(This review is outdated)

[aws-cdk-automation]

(This review is outdated)

[vishalsatam]

aws-cdk-automation says add a README , but I don't think this needs one.

Dismissing outdated PRLinter review.

✅ Updated pull request passes all PRLinter validations. Dismissing previous PRLinter review.

[aws-cdk-automation]

(This review is outdated)

[vishalsatam]

Exemption Request

Need to add this to allowed-breaking-changes.txt.

# bucket property will become optional after StepFunctions introduced writerConfig.
# Either writerConfig or the bucket and prefix needs to be specified
changed-type:aws-cdk-lib.aws_stepfunctions.ResultWriter.bucket

Example: below is perfectly valid now

      resultWriter: new sfn.ResultWriter({
        writerConfig: {
          outputType: sfn.OutputType.JSONL,
          transformation: sfn.Transformation.COMPACT,
        },
      }),

[shikha372]

Hi @vishalsatam , Thank you contributing this pull request, we don't accept any breaking changes to the stable library module, please see below how changing a prop type from required to optional can break customers

https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md#breaking-changes

what's recommended in such cases is we add a new type with v2 and mark the existing one as deprecated.

✅ Updated pull request passes all PRLinter validations. Dismissing previous PRLinter review.

[vishalsatam]

@shikha372 , Thank you for your patience with this pull request. Really appreciate the review and the comments..

Pull request has been modified.

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[shikha372]

@Mergifyio update

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[aws-cdk-automation]

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[mergify]

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