import { Observable, Observer_Interface, Observer_Props, Observer_Type } from "../core/observer";
import { Data_Interface, IO_Observable_Reader_Interface, IO_Observable_Writer_Interface } from "./types";
export interface Json_IO_ReadProps_Interface {
    path: string;
    simulate: boolean;
    doSubfolders: boolean;
    limit: number;
    useCounter: boolean;
}
export interface Json_IO_WriteProps_Interface {
    path: string;
    simulate: boolean;
    doSubfolders: boolean;
    append: boolean;
    limit: number;
    useCounter: boolean;
}
export declare class Json_IO_Reader<D> implements IO_Observable_Reader_Interface<D>, Observable<D> {
    private observer_subject;
    private props;
    constructor(props: Json_IO_ReadProps_Interface);
    add_observer(observer: Observer_Interface<D>, id: Observer_Type): void;
    notify_all(props: Observer_Props<D>): void;
    notify(props: Observer_Props<D>): void;
    read(): void;
}
export declare class Json_IO_Writer<D> implements IO_Observable_Writer_Interface<D>, Observable<D> {
    private observer_subject;
    private props;
    private collected_data;
    constructor(props: Json_IO_WriteProps_Interface);
    add_observer(observer: Observer_Interface<D>, id: Observer_Type): void;
    notify_all(props: Observer_Props<D>): void;
    notify(props: Observer_Props<D>): void;
    write(dao: Data_Interface<D>): void;
}
export declare class Json_IO<D> {
    private reader;
    private writer;
    constructor(read_props: Json_IO_ReadProps_Interface, write_props: Json_IO_WriteProps_Interface);
    read(): void;
    write(dao: Data_Interface<D>): void;
}