public void setBlockDeviceMappings(java.util.Collection<InstanceBlockDeviceMapping> blockDeviceMappings) {
        if (blockDeviceMappings == null) {
            this.blockDeviceMappings = null;
            return;
        }

        this.blockDeviceMappings = new java.util.ArrayList<InstanceBlockDeviceMapping>(blockDeviceMappings);
    }
<p>
Any block device mapping entries for the instance.
</p>

@param blockDeviceMappings
       Any block device mapping entries for the instance.
aws-java-sdk-snowdevicemanagement/src/main/java/com/amazonaws/services/snowdevicemanagement/model/Instance.java