the-essentials/using-react/provider/">Provider</a></span></span> <span class="attr-name">storesById</span><span class="script"><span class="script-punctuation">=</span><span class="punctuation">{</span><span class="punctuation">{</span><span class="literal-property">pet</span><span class="operator">:</span> petStore<span class="punctuation">}</span><span class="punctuation">}</span></span> <span class="attr-name">metrics</span><span class="script"><span class="script-punctuation">=</span><span class="punctu