public SAMLOptionsInput withMasterBackendRole(String masterBackendRole) {
        setMasterBackendRole(masterBackendRole);
        return this;
    }
<p>
The backend role that the SAML master user is mapped to.
</p>

@param masterBackendRole
       The backend role that the SAML master user is mapped to.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-opensearch/src/main/java/com/amazonaws/services/opensearch/model/SAMLOptionsInput.java