prow/spyglass/lenses/lenses.go
func LastNLines(a Artifact, n int64) ([]string, error) {
	// 300B, a reasonable log line length, probably a bit more scalable than a hard-coded value
	return LastNLinesChunked(a, n, 300*n+1)
}
func LastNLines(a Artifact, n int64) ([]string, error) {
	// 300B, a reasonable log line length, probably a bit more scalable than a hard-coded value
	return LastNLinesChunked(a, n, 300*n+1)
}
// LastNLines reads the last n lines from an artifact.