History of OperationItem::constructor 2 changes

In src/operations.ts, lines 10–25 on 813df1a92fbbaa02b2636a3780d925f03ac8f27d7b610edabdaca75a69e6e692. 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 10,25:src/operations.ts.