import Connection from './connection';
/**
 * The State class is an abstract class that all other,
 * extended classes should implement its methods and properties
 * we implemented a design pattern called state design pattern here
 */
export declare abstract class State {
    /**
     * Context
     */
    protected context: Connection;
    constructor(context: Connection);
    /**
     * Change state from one to other
     * @param state - The state to change to
     * @returns void
     */
    transitionTo(state: State): void;
    /**
     * Parse request
     * @returns void
     */
    abstract parse(): void;
    /**
     * Reply to the user with a proper response
     * @returns void
     */
    abstract reply(): void;
}