History of finish 3 changes

In crates/oxy-strata/src/aws.rs, lines 191–220 on 4b9d06778581f6d3350902c6840c37353035026d0f14e1c843385082b84830ff. 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 191,220:crates/oxy-strata/src/aws.rs.