ion">(</span>
  <span class="string">'petSpecies'</span><span class="punctuation">,</span>
  <span class="string">'pets'</span><span class="punctuation">,</span>
  <span class="string">'species'</span><span class="punctuation">,</span>
  <span class="string">'species'</span><span class="punctuation">,</span>
<span class="punctuation">)</span><span class="punctuation">;</span>
relationships<span class="punctuation">.</span><span class="function"><a href="/api/relationships/interfaces/relationships/relationsh