anchor.diff:  
   The optional `-f` flag forces unsharing without confirmation.
   
  +
   ## <a id="security"></a> Security Considerations
   
   * [Service keys](./service-keys.html) cannot be created from a space that a 
  
positive.code: </pre>
  
  This only prevents new shares from being created. To remove existing shares, see [Deleting All Shares](#deleting).
  
  ## <a id="deleting"></a> Deleting All Shares
  
  
negative.code: owner: Core Services
  ---
  
  This topic explains how to use service instance sharing.
  
  
  ## <a id="about"></a> About Service Instance Sharing
  
  