History of OperationItem::constructor 1 change

In src/operations.ts, lines 9–20 on 35d56b5803d995d9d1b08a5cdc832dd759c921a0bfc04fb2ba2bb60fefa33416. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 9,20:src/operations.ts.