import { Db } from 'mongodb';
import types from './types.ts';
import type { Model } from './model.ts';
import type { SchemaOptions } from './schema.ts';
import type { BaseSchema, ModelOptions } from './utils.ts';
export default class Papr {
    db?: Db;
    models: Map<string, Model<any, any>>;
    options?: ModelOptions;
    schemas: Map<string, [BaseSchema, any]>;
    /**
     * Returns a new instance of `Papr`.
     *
     * It may be called with some options for before and after [hooks](api/hooks.md) and a maximum execution time for queries.
     *
     * @name Papr
     *
     * @param [options] {ModelOptions}
     * @param [options.hooks] {Hooks}
     * @param [options.maxTime] {number}
     *
     * @example
     * const papr = new Papr();
     *
     * const paprWithOptions = new Papr({
     *   hooks: {
     *     after: [afterHook],
     *     before: [beforeHook]
     *   },
     *   maxTime: 1000
     * });
     */
    constructor(options?: ModelOptions);
    /**
     * Initialize existing and future registered models with a mongo db instance.
     *
     * @param db {mongodb.Db}
     *
     * @example
     * import { MongoClient } from 'mongodb';
     *
     * const connection = await MongoClient.connect('mongodb://localhost:27017');
     *
     * papr.initialize(connection.db('test'));
     */
    initialize(db: Db): void;
    /**
     * Builds a model instance and associates its collection name and schema.
     *
     * @param collectionName {string}
     * @param collectionSchema {TSchema}
     *
     * @returns {Model<TSchema, TOptions>}
     *
     * @example
     * const User = papr.model('users', userSchema);
     */
    model<TSchema extends BaseSchema, TOptions extends SchemaOptions<TSchema>>(collectionName: string, collectionSchema: [TSchema, TOptions]): Model<TSchema, TOptions>;
    /**
     * Updates the validation schema and validation options on the MongoDB collection used by a model.
     *
     * It uses the [`createCollection`](https://docs.mongodb.com/manual/reference/method/db.createCollection/)
     * method for new collections, and the [`collMod`](https://docs.mongodb.com/manual/reference/command/collMod/#dbcmd.collMod)
     * command for existing collections.
     *
     * @param model {Model<TSchema, TOptions>}
     *
     * @returns {Promise<void>}
     *
     * @example
     * await papr.updateSchema(User);
     */
    updateSchema<TSchema extends BaseSchema, TOptions extends SchemaOptions<TSchema>>(model: Model<TSchema, TOptions>): Promise<void>;
    /**
     * Updates the validation schemas and validation options on all the MongoDB collections registered by models.
     *
     * @returns {Promise<void>}
     *
     * @example
     * await papr.updateSchemas();
     */
    updateSchemas(): Promise<void>;
}
export { types, types as Types };
export * from './hooks.ts';
export * from './model.ts';
export * from './mongodbTypes.ts';
export * from './schema.ts';
export * from './utils.ts';