import mongoose from 'mongoose';
export declare const BaseSchema: mongoose.Schema<any, mongoose.Model<any, any, any, any, any, any>, {}, {}, {}, {}, {
    toObject: {
        transform: (document: mongoose.Document<unknown, {}, {}> & Required<{
            _id: unknown;
        }>, result: Record<string, any>) => void;
    };
}, {}, mongoose.Document<unknown, {}, {}> & Required<{
    _id: unknown;
}>>;
export declare function extendSchema(schema: any, definition: any, options?: any): mongoose.Schema<any, mongoose.Model<any, any, any, any, any, any>, {}, {}, {}, {}, any, any, any>;