/**
 * An enum that defines actions that can be taken on unknown language detection
 */
export declare enum OnUnknownAction {
    RecognizeWithDefaultLanguage = "RecognizeWithDefaultLanguage",
    None = "None"
}
/**
 * The on unknown configuration
 */
export interface OnUnknown {
    /**
     * The action to take when language is unknown
     */
    action?: OnUnknownAction;
}