unLinkTo method Null safety

bool unLinkTo(
  1. dynamic from,
  2. dynamic to,
  3. {List anyTags,
  4. List allTags}
)

Remove a directed link, but will not remove from and to

(Optional) Only if it matches any of anyTags and matches all items in allTags

Implementation

bool unLinkTo(from, to, {List anyTags, List allTags});