Introduce LightningAmount type and use across public APIs
#21922
| Job | Run time |
|---|---|
| 5m 24s | |
| 1m 27s | |
| 6m 5s | |
| 7m 51s | |
| 1m 6s | |
| 19m 43s | |
| 42s | |
| 15m 47s | |
| 6h 5m 1s | |
| 5m 33s | |
| 11m 32s | |
| 15s | |
| 26m 16s | |
| 13m 4s | |
| -1s | |
| 7h 59m 45s |