public String getDeveloperUserIdentifier() {
        return this.developerUserIdentifier;
    }
<p>
A unique ID used by your backend authentication process to identify a user.
</p>

@return A unique ID used by your backend authentication process to identify a user.
aws-java-sdk-cognitoidentity/src/main/java/com/amazonaws/services/cognitoidentity/model/UnlinkDeveloperIdentityRequest.java