/// <reference types="node" />
import Connection from '../helper/connection'
/**
 * The ObfsMethod class is an abstract class that all other,
 * extended classes should implement its methods and properties
 * every obfuscation method should extend this class
 */
declare abstract class ObfsMethod {
  /**
   * Connection object
   */
  protected connection: Connection
  /**
   * The Obfuscation method name
   */
  abstract name: string
  abstract handshakeFlag: boolean
  constructor(connection: Connection)
  /**
   * Checks if the message format is Appropriate with
   * this obfuscation method
   * @param message - The incoming message
   */
  abstract check(message: Buffer): boolean
  /**
   * Begins the handshake process for the encryption
   * @param callback - Emitted after the handshake process
   */
  abstract handshake(callback?: () => void): void
  /**
   * DeObfuscates the obfuscated message
   * @param message - The obfuscated message
   */
  abstract deObfuscate(message: Buffer): Buffer
  /**
   * Obfuscates the non-obfuscated message
   * @param message - The non-obfuscated message
   */
  abstract obfuscate(message: Buffer): Buffer
}
export type ObfsBuilder = (connection: Connection) => ObfsMethod
export default ObfsMethod