stampedBridgeChecksums function
The checksums scriptContent was stamped with, keyed by lib.
Implementation
Map<String, String> stampedBridgeChecksums(String scriptContent) => {
for (final m in RegExp('^$_bridgeChecksumPrefix(\\S+) (\\S+)\$', multiLine: true).allMatches(scriptContent))
m.group(1)!: m.group(2)!,
};