Names of files in a per-schema emit directory that no live schema claims.
Kept pure and separate from the deletion so the decision is testable without a
filesystem. fileNames is a plain directory listing; schemas is every schema in the
run, not just the dirty subset.
Names of files in a per-schema emit directory that no live schema claims.
Kept pure and separate from the deletion so the decision is testable without a filesystem.
fileNamesis a plain directory listing;schemasis every schema in the run, not just the dirty subset.