public java.util.List<RouteFilterPrefix> getAddAllowedPrefixesToDirectConnectGateway() {
        if (addAllowedPrefixesToDirectConnectGateway == null) {
            addAllowedPrefixesToDirectConnectGateway = new com.amazonaws.internal.SdkInternalList<RouteFilterPrefix>();
        }
        return addAllowedPrefixesToDirectConnectGateway;
    }
<p>
The Amazon VPC prefixes to advertise to the Direct Connect gateway.
</p>

@return The Amazon VPC prefixes to advertise to the Direct Connect gateway.
aws-java-sdk-directconnect/src/main/java/com/amazonaws/services/directconnect/model/UpdateDirectConnectGatewayAssociationRequest.java