public InstanceNetworkInterfaceAttachment withAttachTime(java.util.Date attachTime) {
        setAttachTime(attachTime);
        return this;
    }
<p>
The time stamp when the attachment initiated.
</p>

@param attachTime
       The time stamp when the attachment initiated.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/InstanceNetworkInterfaceAttachment.java