public String getSnapshotId() {
        return this.snapshotId;
    }
<p>
The snapshot from which to create the volume. You must specify either a snapshot ID or a volume size.
</p>

@return The snapshot from which to create the volume. You must specify either a snapshot ID or a volume size.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/CreateVolumeRequest.java