code: func (c *ACLCaches) GetPolicy(policyID string) *PolicyCacheEntry {
  	if c == nil || c.policies == nil {
  		return nil
  	}
  
  	if raw, ok := c.policies.Get(policyID); ok {
  		return raw.(*PolicyCacheEntry)
  	}
  
  	return nil
  }
docs: // GetPolicy fetches a policy from the cache and returns it