@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getVpnConnectionId() != null)
            sb.append("VpnConnectionId: ").append(getVpnConnectionId()).append(",");
        if (getTransitGatewayId() != null)
            sb.append("TransitGatewayId: ").append(getTransitGatewayId()).append(",");
        if (getCustomerGatewayId() != null)
            sb.append("CustomerGatewayId: ").append(getCustomerGatewayId()).append(",");
        if (getVpnGatewayId() != null)
            sb.append("VpnGatewayId: ").append(getVpnGatewayId()).append(",");
        if (getVpnTunnelOutsideIpAddress() != null)
            sb.append("VpnTunnelOutsideIpAddress: ").append(getVpnTunnelOutsideIpAddress()).append(",");
        if (getMaintenanceDetails() != null)
            sb.append("MaintenanceDetails: ").append(getMaintenanceDetails());
        sb.append("}");
        return sb.toString();
    }
Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be
redacted from this string using a placeholder value.

@return A string representation of this object.

@see java.lang.Object#toString()
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/GetVpnTunnelReplacementStatusResult.java