Computes the transaction start date based on daysBack or startDate config.
Back-compat shim; phase-3 migrates callers to IDateRangePolicy.
Bank config whose date settings to use.
Computed start Date for scraping.
Computes the transaction start date based on daysBack or startDate config.
Back-compat shim; phase-3 migrates callers to IDateRangePolicy.