><code> <span class="keyword">constraint</span> <span class="type-var">'security</span> = <span>[&lt; EzAPI.Security.scheme ]</span></code></dt><dt class="spec type" id="type-service1"><a href="#type-service1" class="anchor"></a><code><span class="keyword">type</span> <span>('arg, 'output, 'error, 'security) service1</span></code><code> <span class="keyword">constraint</span> <span class="type-var">'security</span> = <span>[&lt; EzAPI.Security.scheme ]</span></code></dt><dt class="spec type" id="type-servic