public String getClientRequestToken() {
        return this.clientRequestToken;
    }
<p>
A string of up to 63 ASCII characters that Amazon FSx uses to ensure idempotent deletion. This token is
automatically filled on your behalf when using the Command Line Interface (CLI) or an Amazon Web Services SDK.
</p>

@return A string of up to 63 ASCII characters that Amazon FSx uses to ensure idempotent deletion. This token is
        automatically filled on your behalf when using the Command Line Interface (CLI) or an Amazon Web Services
        SDK.
aws-java-sdk-fsx/src/main/java/com/amazonaws/services/fsx/model/DeleteFileSystemRequest.java