/**
 * Get object or String value of an object from key
 * sample usage: getObject(object,key1.key2)
 * @param {object} datalayer - datalayer object
 * @param {string} objectKey? - optional
 * @returns {any} returns object by key or string value
 */
export declare function getObject(datalayer: object, objectKey?: string): any;
/** This interface will be used to get on which field to aggregate for a collection */
export interface CollectionAggField {
    field?: string;
    collectionName: string;
}
/** checks if there is a common string in the given arrays */
export declare function hasAtLeastOneCommon(collections1: string[], collections2: string[]): boolean;
export declare function fromEntries<T = any>(map: Map<string, T>): {
    [k: string]: T;
};
export interface CollectionCount {
    count: number;
    collection: string;
}