| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 1,279 of 1,856 | 31% | 90 of 105 | 14% | 154 | 204 | 287 | 446 | 103 | 150 | 0 | 9 |
| Yaml | | 23% | | 36% | 46 | 53 | 106 | 147 | 35 | 42 | 0 | 1 |
| TypeDescription | | 7% | | 0% | 51 | 54 | 95 | 107 | 23 | 26 | 0 | 1 |
| DumperOptions | | 40% | | 12% | 38 | 51 | 61 | 101 | 30 | 43 | 0 | 1 |
| DumperOptions.LineBreak | | 43% | | 0% | 5 | 7 | 7 | 14 | 3 | 5 | 0 | 1 |
| DumperOptions.Version | | 54% | n/a | 4 | 6 | 4 | 10 | 4 | 6 | 0 | 1 | |
| DumperOptions.ScalarStyle | | 68% | | 71% | 4 | 10 | 4 | 19 | 2 | 5 | 0 | 1 |
| LoaderOptions | | 79% | n/a | 5 | 19 | 9 | 37 | 5 | 19 | 0 | 1 | |
| DumperOptions.FlowStyle | | 72% | n/a | 1 | 3 | 1 | 8 | 1 | 3 | 0 | 1 | |
| DumperOptions.NonPrintableStyle | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | 0 | 1 |