void approveUnapprovedMappings() {
    for (RemovedMapping mapping : new ArrayList<>(myRemovedMappings.values())) {
      if (!mapping.isApproved()) {
        myRemovedMappings.remove(mapping.getFileNameMatcher(), mapping);
        myRemovedMappings.putValue(mapping.getFileNameMatcher(), new RemovedMapping(mapping.getFileNameMatcher(), mapping.getFileTypeName(), true));
      }
    }
  }
void approveUnapprovedMappings()