math/math.go:
	arithmetic/base: 1
	numbers/decrementer: 1
	numbers/incrementer: 1
	statement/return: 1

Per-mutator totals across all files:
  arithmetic/base                          1
  numbers/decrementer                      1
  numbers/incrementer                      1
  statement/return                         1

Total: 4 mutation(s) would be generated. No files written, no tests run.
Note: this count is an upper bound. Mutations that produce byte-identical edits at the same location are deduplicated during an actual run.