export declare const defaultSearchFunction: (query: any, path: any) => {
    text: {
        query: any;
        path: any;
    };
};
export declare const validateOptions: (options: any) => {
    path: any;
    model: any;
    searchFunction: any;
    searchKey: any;
    overwriteFind: boolean;
    addFields: any;
};
export declare const buildAggregationQuery: (query: any, projection: any, queryOptions: any, options: any) => any[];