The state of one path from what each side reports now and its record.
Each side is compared only with its own record, so the two clocks never
have to agree; only a first sync compares across them. Returns
undefined when neither side nor a record has the path.
The state of one path from what each side reports now and its record. Each side is compared only with its own record, so the two clocks never have to agree; only a first sync compares across them. Returns
undefinedwhen neither side nor a record has the path.