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* #1317 Add Special Case Pattern To focus on pattern itself, I implement DB and maintenance lock by the singleton instance. * #1317 Add special cases unit tests Assert the logger output (ref: https://stackoverflow.com/a/52229629) * #1317 Add README.md Add Special Case Pattern README * #1317 Format: add a new line to end of file Co-authored-by: Subhrodip Mohanta <subhrodipmohanta@gmail.com>
