@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getAttachTime() != null)
            sb.append("AttachTime: ").append(getAttachTime()).append(",");
        if (getAttachmentId() != null)
            sb.append("AttachmentId: ").append(getAttachmentId()).append(",");
        if (getDeleteOnTermination() != null)
            sb.append("DeleteOnTermination: ").append(getDeleteOnTermination()).append(",");
        if (getDeviceIndex() != null)
            sb.append("DeviceIndex: ").append(getDeviceIndex()).append(",");
        if (getStatus() != null)
            sb.append("Status: ").append(getStatus()).append(",");
        if (getNetworkCardIndex() != null)
            sb.append("NetworkCardIndex: ").append(getNetworkCardIndex()).append(",");
        if (getEnaSrdSpecification() != null)
            sb.append("EnaSrdSpecification: ").append(getEnaSrdSpecification());
        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/InstanceNetworkInterfaceAttachment.java