Defines a transformer rule
SDK version:
Warning
uCalc API Preview Release Notice:This preview documentation describes the intended behavior of the API. It is not fully accurate or complete.The current preview build contains incomplete features, unoptimized performance, and is subject to breaking changes.Use of the preview version in your production code is not recommended.
Object for rule being defined
[revisit]Whenever a piece of text matches the pattern described in FromStr, it is replaced with the text found in ToStr.