e2"><a href="#type-service2" class="anchor"></a><code><span class="keyword">type</span> <span>('arg1, 'arg2, 'output, 'error, 'security) service2</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-post_service0"><a href="#type-post_service0" class="anchor"></a><code><span class="keyword">type</span> <span>('input, 'output, 'error, 'security) post_service0</span></code><code