import { IMethodParams } from "../app.js";
import Session from "../Session/Session.js";
export declare type TypeSession = "user" | "group" | "app";
export declare class InvokeMethodException extends Error {
    constructor(method_name: string, TypeSession: TypeSession, additional_message?: string);
}
export interface CountingResponse<T> {
    count: number;
    items: T[];
}
export declare type SingleOrArray<T> = T | T[];
export default abstract class API {
    protected Session: Session;
    protected type: TypeSession;
    constructor(Session: Session);
    checkValid(...types: TypeSession[]): boolean;
    protected call<T>(method: string, params: IMethodParams): Promise<T>;
}