code: function findUnresolvedResolutions (tymlyRefs) {
    const unresolved = [ ]
  
    for (const [type, referees] of Object.entries(tymlyRefs)) {
      for (const [targetName, references] of Object.entries(referees)) {
        const target = `${type}:${targetName}`
  
        references
          .filter(ref => !ref.when)
          .forEach(r => unresolved.push({
            target: target,
            ref: r.ref
          }))
      } // refs ...
    } // for ...
  
    return unresolved
  }
docs: thirdPass