exchange<span class="token punctuation">)</span><span class="token punctuation">;</span>
            <span class="token punctuation">}</span>
            <span class="token class-name">String</span> basePath <span class="token operator">=</span> path<span class="token punctuation">.</span><span class="token function">substring</span><span class="token punctuation">(</span><span class="token number">0</span><span class="token punctuation">,</span> path<span class="token punctuation">.</span><span class="toke