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'use strict';
module.exports = function merge(s1, s2, skipConflictingPaths) {  const paths = Object.keys(s2.tree);  const pathsToAdd = {};  for (const key of paths) {    if (skipConflictingPaths && (s1.paths[key] || s1.nested[key] || s1.singleNestedPaths[key])) {      continue;    }    pathsToAdd[key] = s2.tree[key];  }  s1.add(pathsToAdd);
  s1.callQueue = s1.callQueue.concat(s2.callQueue);  s1.method(s2.methods);  s1.static(s2.statics);
  for (const query in s2.query) {    s1.query[query] = s2.query[query];  }
  for (const virtual in s2.virtuals) {    s1.virtuals[virtual] = s2.virtuals[virtual].clone();  }
  s1._indexes = s1._indexes.concat(s2._indexes || []);  s1.s.hooks.merge(s2.s.hooks, false);};