anchor.diff:  
   <pre class="terminal">
   $ cf create-service-key MY-SERVICE MY-KEY -c PATH-TO-JSON-FILE
  -Creating service key MY-KEY for service instance myservice as me@example.com...
  +Creating service key MY-KEY for service instance MY-SERVICE as me@example.com...
   OK
   </pre>
   
  
positive.code: 
  <pre class="terminal">
  $ cf create-service-key MY-SERVICE MY-KEY
  Creating service key MY-KEY for service instance myservice as me@example.com...
  OK
  </pre>
  
  
negative.code: 
  <pre class="terminal">
  $ cf create-service-key MY-SERVICE MY-KEY -c '{"permissions":"read-only"}'
  Creating service key MY-KEY for service instance MY-SERVICE as me@example.com...
  OK
  </pre>
  
  