Returns a named list mapping one-to-many table identifiers (e.g.
F9-P03-T01-PROGRAMS-OTHER) to the character vectors of candidate XML paths
used to locate that table's repeating group across IRS schema versions.
Returns a named list mapping one-to-many table identifiers (e.g.
F9-P03-T01-PROGRAMS-OTHER) to the character vectors of candidate XML paths
used to locate that table's repeating group across IRS schema versions.