Which API is used to perform the actual transformation?

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Multiple Choice

Which API is used to perform the actual transformation?

Explanation:
The essential idea is which API actually runs the transformation on the data using the defined rules. The transform() API is the one that takes input data, applies the mapping and any embedded logic, and returns the transformed output. It’s the execution step that produces the transformed result. The other APIs are for setup or inspection: initializing the transformer prepares the instance for use, while retrieving the transformer definition or listing its rules provides configuration or scope information but does not perform the transformation itself.

The essential idea is which API actually runs the transformation on the data using the defined rules. The transform() API is the one that takes input data, applies the mapping and any embedded logic, and returns the transformed output. It’s the execution step that produces the transformed result.

The other APIs are for setup or inspection: initializing the transformer prepares the instance for use, while retrieving the transformer definition or listing its rules provides configuration or scope information but does not perform the transformation itself.

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