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

        this.blockDeviceMappings = new java.util.ArrayList<AwsAutoScalingLaunchConfigurationBlockDeviceMappingsDetails>(blockDeviceMappings);
    }
<p>
Specifies the block devices for the instance.
</p>

@param blockDeviceMappings
       Specifies the block devices for the instance.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsAutoScalingLaunchConfigurationDetails.java