WithDiffUnified is a function that generate diffs with <n> lines of context instead of the usual three.

WithEnableAmend returns an Option that sets the isAmend field of a config object to the given value.

WithExcludeList returns an Option that sets the excludeList field of a config object to the given value.

DiffStats holds statistics about the diff.

Option is an interface that specifies instrumentation configuration options.