public void setCsr(String csr) {
        this.csr = csr;
    }
<p>
The base64 PEM-encoded certificate signing request (CSR) for your private CA certificate.
</p>

@param csr
       The base64 PEM-encoded certificate signing request (CSR) for your private CA certificate.
aws-java-sdk-acmpca/src/main/java/com/amazonaws/services/acmpca/model/GetCertificateAuthorityCsrResult.java