public void setUserTokenConfigurations(java.util.Collection<UserTokenConfiguration> userTokenConfigurations) {
        if (userTokenConfigurations == null) {
            this.userTokenConfigurations = null;
            return;
        }

        this.userTokenConfigurations = new java.util.ArrayList<UserTokenConfiguration>(userTokenConfigurations);
    }
<p>
The user token configuration for the Amazon Kendra index.
</p>

@param userTokenConfigurations
       The user token configuration for the Amazon Kendra index.
aws-java-sdk-kendra/src/main/java/com/amazonaws/services/kendra/model/DescribeIndexResult.java