Gyu-Ho Lee 8b77de4e99 pkg: update LICENSE header 8 lat temu
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wait.go 8b77de4e99 pkg: update LICENSE header 8 lat temu
wait_test.go 8b77de4e99 pkg: update LICENSE header 8 lat temu
wait_time.go 8b77de4e99 pkg: update LICENSE header 8 lat temu
wait_time_test.go 8b77de4e99 pkg: update LICENSE header 8 lat temu