History of finish 3 changes

In crates/oxy-strata/src/aws.rs, lines 191–220 on 74b4a3c62ea49a14291109dfc144c7f840f6af35c6a9e8f150ce53528fdf6e04. 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.