import Collection from './Collection';
/**
 * An index on a given field.
 */
export interface Index {
    fieldName: string;
    unique: boolean;
    sparse: boolean;
}
/**
 * The model for a given collection.
 */
export default interface Model {
    /**
     * Indices to be built for this data model.
     */
    indices: Index[];
    /**
     * Called each time the database is started.
     */
    init(): Promise<void>;
}
/**
 * The model type, i.e. Model constructor.
 */
export declare type ModelType = new (db: Collection<any>) => Model;
/**
 * A list of the models used with this database.
 */
export interface ModelList {
    [key: string]: Model;
}
/**
 * A list of the models type used with this database.
 */
export declare type ModelTypeList<T extends ModelList> = {
    [K in keyof T]: ModelType;
};