import { Model, SchemaType } from 'mongoose';
import { MongoDBODatafyOpts } from 'odatafy-mongodb';
import { ObjectModelMetadata, ODataModelField, ServiceMetadata } from './types';
/**
 * Get expandmap for use in odatafy-mongodb from a mongoose model
 * @param model - model to get expandmap for
 * @returns expandmap for the passed mongoose model
 */
export declare function getExpandMapping(model: Model<unknown>, basePath?: string, depth?: number): MongoDBODatafyOpts["expandMapping"];
/**
 * Get metadata for all models that are registered in the mongoose instance that is passed to init
 * @returns metadata for the odata service
 */
export declare function getServiceMetaData(): ServiceMetadata;
/**
 * Extract metadata from a mongoose model
 * @param model - model to extract metadata from
 * @returns - metadata for the model
 */
export declare function getModelMetadata(model: Model<unknown>): ObjectModelMetadata;
/**
 * Extract Metadata from mongoose model with pathanme
 * @param model - model to extract from
 * @param pathName - name of the path to extract
 * @param metaData - already extracted metadata
 * @returns extracted metadata for the specified pathName of the specified model
 */
export declare function getPathMetaData(model: Model<unknown>, pathName: string, metaData: ObjectModelMetadata): ODataModelField;
/**
 * Extract Metadata from mongoose model path
 * @param model - model to extract from
 * @param path - path to extract
 * @param metaData - already extracted metadata
 * @returns extracted metadata for the specified path of the specified model
 */
export declare function extractMetaData(model: Model<unknown>, path: SchemaType, metaData: ObjectModelMetadata): ODataModelField;
export declare const mergeDeep: (target: {
    [key: string]: unknown;
}, source: {
    [key: string]: unknown;
}, isMergingArrays?: boolean) => {
    [key: string]: unknown;
};