/**
  * Adds a set of grantee/permission pairs to the access control list (ACL), where each item in the
  * set is a {@link Grant} object.
  *
  * @param grantsVarArg A collection of {@link Grant} objects
  */
 public void grantAllPermissions(Grant... grantsVarArg) {
   for (Grant gap : grantsVarArg) {
     grantPermission(gap.getGrantee(), gap.getPermission());
   }
 }