title: swagger editor: missingProperty: required
body: <p>I am using openapi 3 and got an error:</p>
  
  <pre><code>should have required property 'required' 
  missingProperty: required
  </code></pre>
  
  <p>Here is my file:</p>
  
  <pre><code>openapi: 3.0.0
  ...
  - name: count
    in: path
    description: "count"
    schema:
       type: boolean
  </code></pre>
  
  <p>If I add <code>required: false</code>, I got another error saying <code>required can only be true</code></p>