@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getChangedBlocks() != null)
            sb.append("ChangedBlocks: ").append("***Sensitive Data Redacted***").append(",");
        if (getExpiryTime() != null)
            sb.append("ExpiryTime: ").append(getExpiryTime()).append(",");
        if (getVolumeSize() != null)
            sb.append("VolumeSize: ").append(getVolumeSize()).append(",");
        if (getBlockSize() != null)
            sb.append("BlockSize: ").append(getBlockSize()).append(",");
        if (getNextToken() != null)
            sb.append("NextToken: ").append(getNextToken());
        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-ebs/src/main/java/com/amazonaws/services/ebs/model/ListChangedBlocksResult.java