public java.util.List<UserIdGroupPair> getUserIdGroupPairs() {
        if (userIdGroupPairs == null) {
            userIdGroupPairs = new com.amazonaws.internal.SdkInternalList<UserIdGroupPair>();
        }
        return userIdGroupPairs;
    }
public java . util . List < UserIdGroupPair > getUserIdGroupPairs ( ) { if ( userIdGroupPairs == null ) { userIdGroupPairs = new com . amazonaws . internal . SdkInternalList < UserIdGroupPair > ( ) ; } return userIdGroupPairs ; }
<p>
The security group pairs. Returns the ID of the referenced security group and VPC, and the ID and status of the
VPC peering connection.
</p>

@return The security group pairs. Returns the ID of the referenced security group and VPC, and the ID and status
of the VPC peering connection.