import { ObjectId } from 'mongodb';
import { ModelUpdateOptions, Schema, SchemaOptions } from 'mongoose';
import { BaseDocument, UpdateResult } from './base.type';
import { DataDocument } from './method.type';
import { MongodbOperationImplements } from './mongodb.interface';
export declare function autoDetect(target: DataModel<any>, propertyKey: 'collectionName'): void;
export interface DataModelArgs {
    connectionName: string;
}
/**
 * @singleton : every class name is a singleton, multiple new will return same instance.
 */
export declare abstract class DataModel<IDocType extends BaseDocument> extends MongodbOperationImplements<IDocType> {
    private readonly _realConnectionName;
    protected displayTitle: string;
    protected readonly schemaOptions: Partial<SchemaOptions>;
    constructor({connectionName}?: Partial<DataModelArgs>);
    getInstance(idObj: ObjectId | string | DataDocument<IDocType>): Promise<DataDocument<IDocType>>;
    upsert(conditions: Object, doc: Object, options?: ModelUpdateOptions): Promise<UpdateResult>;
    protected create(): DataDocument<IDocType>;
    /** only for overwrite */
    protected initialization(): void;
    protected insert(content: IDocType): Promise<DataDocument<IDocType>>;
    protected remove(doc: any): Promise<void>;
    /**
     * only for overwrite, no content
     * @param {"mongoose".Schema} schemaObject
     */
    protected schemaHook(schemaObject: Schema): void;
    private _namespace;
    readonly namespace: string;
    private readonly realConnectionName;
}