anchor.diff:  	return []map[string]interface{}{data}
   }
   
  -<% unless version == 'ga' -%>
   func flattenMatchExpr(match *compute.SecurityPolicyRuleMatcher) []map[string]interface{} {
   	if match.Expr == nil {
   		return nil
  
positive.code: 	data := map[string]interface{}{
  		"versioned_expr": match.VersionedExpr,
  		"config":         flattenMatchConfig(match.Config),
  <% unless version == 'ga' -%>
  		"expr":           flattenMatchExpr(match),
  <% end -%>
  	}
  
  	return []map[string]interface{}{data}
  
negative.code: 	}
  }
  
  func expandSecurityPolicyMatchExpr(expr []interface{}) *compute.Expr {
  	if len(expr) == 0 || expr[0] == nil {
  		return nil
  