code: private boolean isInMultipleLvalueDecl(Var v) {
      Token declarationType = v.declarationType();
      switch (declarationType) {
        case LET:
        case CONST:
        case VAR:
          Node nameDecl = NodeUtil.getEnclosingNode(v.getNode(), NodeUtil::isNameDeclaration);
          return NodeUtil.findLhsNodesInNode(nameDecl).size() > 1;
        default:
          return false;
      }
    }
docs: Returns whether this variable's declaration also declares other names.
  
  <p>For example, this would return true for `x` in `let [x, y, z] = []`;