/**
 * Converts a MongoDB query to an FDO rule object
 * @param query - The MongoDB query to convert
 * @returns FDO rule object or EMPTY_RULE if query is empty
 */
export declare function mongoQueryToFdoRule(query: any): any;
/**
 * Converts an FDO rule object to a MongoDB query
 * @param query - The FDO rule object to convert
 * @returns MongoDB query or null if rule is empty
 */
export declare function fdoRuleToMongoQuery(query: any): any;