@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getTransitGatewayMulticastDomainId() != null)
            sb.append("TransitGatewayMulticastDomainId: ").append(getTransitGatewayMulticastDomainId()).append(",");
        if (getTransitGatewayAttachmentId() != null)
            sb.append("TransitGatewayAttachmentId: ").append(getTransitGatewayAttachmentId()).append(",");
        if (getResourceId() != null)
            sb.append("ResourceId: ").append(getResourceId()).append(",");
        if (getResourceType() != null)
            sb.append("ResourceType: ").append(getResourceType()).append(",");
        if (getResourceOwnerId() != null)
            sb.append("ResourceOwnerId: ").append(getResourceOwnerId()).append(",");
        if (getSubnets() != null)
            sb.append("Subnets: ").append(getSubnets());
        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/TransitGatewayMulticastDomainAssociations.java