import { FetchOptions, OrmDriver } from "../OrmDriver";
import { Entity, EntityClass, MaybeEntityClass } from "../utils";
import Query from "../Query";
import Collection from "../Collection";
import { ISubscription } from "rxjs/Subscription";
import { IFieldObject } from '../IFieldObject';
export declare type StoreItem<T extends object> = {
    model: Entity<T>;
    attributes: IFieldObject<T>;
    changes: IFieldObject<T> | null;
};
export default class SimpleOrm implements OrmDriver {
    _lastId: number;
    _store: {
        "byCid": {
            [cid: string]: Entity<any>;
        };
        "byId": {
            [model: string]: {
                [id: string]: string;
            };
        };
    };
    constructor(opts?: {
        executeQuery: <T extends object>(modelClass: EntityClass<T>, query: Query<T>) => Promise<T>;
        observeQuery: <T extends object>(modelClass: EntityClass<T>, query: Query<T>) => void;
    });
    /**
     * gets the model by its id or null if doesn't exists
     */
    getModelById<T extends object>(model: MaybeEntityClass<T>, id: string | number, options?: FetchOptions<T>): Promise<T | null>;
    /**
     * gets the cid of the model with the passed id if the relative model is already fetched, null otherwise
     */
    getModelByCid<T extends object>(cid: string): Entity<T> | null;
    getCidById<T extends object>(model: MaybeEntityClass<T>, id: string | number): string | null;
    /**
     * Upserts the model in the ORM
     */
    save<T extends object>(model: Entity<T>, collection?: Collection<T>): Promise<T>;
    /**
     * Removes the model in the ORM
     */
    delete<T extends object>(model: Entity<T>, collection?: Collection<T>): Promise<void>;
    observeQuery<T extends object>(model: EntityClass<T>, query: Query<T>, handler: (array: T[]) => void): ISubscription;
    executeQuery<T extends object>(model: EntityClass<T>, query: Query<T>): Promise<T[]>;
    find<T extends object>(model: MaybeEntityClass<T>): Query<T>;
}