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

@param developerUserIdentifier
       A unique ID used by your backend authentication process to identify a user.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-cognitoidentity/src/main/java/com/amazonaws/services/cognitoidentity/model/UnlinkDeveloperIdentityRequest.java