38:       <span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>, <span class="ruby-node">&quot;Path(s) must be a String or an Array [#{paths.inspect}]&quot;</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">paths</span>.<span class="ruby-identifier">is_a?</span> <span class="ruby-constant">Array</span>
39:       <span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>, <span class="ruby-node">&quot;Must p