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040000 tree 53b58569b53c89d5822fd065878faed1477d43a8	desugaredlibrary
040000 tree c8c5a09c9c6ef24af47b4b0ba25ed88f6d6b27e5	jdk21
040000 tree c49632670d6b3da307428660dab12a42f6e5b8eb	jdk8272564
040000 tree 5a77b5bde1f379181f6dabbe27281864b5ee2e98	switchpatternmatching
040000 tree ebc2f9ba4a1c2feb29b39d76ec34be0eee904054	twr