import type { HttpIncoming } from './interfaces/http-incoming.interface.js';
import type { HttpOutgoing } from './interfaces/http-outgoing.interface.js';
import type { NodeIncomingMessage } from './interfaces/node-incoming-message.interface.js';
import type { NodeOutgoingMessage } from './interfaces/node-outgoing-message.interface.js';
/**
 * Checks if the given value is a NodeIncomingMessage.
 *
 * @param v - The value to check.
 * @returns True if the value is a NodeIncomingMessage, false otherwise.
 */
export declare function isNodeIncomingMessage(v: any): v is NodeIncomingMessage;
/**
 * Checks if the given value is an HttpIncoming instance.
 *
 * @param v - The value to check.
 * @returns True if the value is an HttpIncoming instance, false otherwise.
 */
export declare function isHttpIncoming(v: any): v is HttpIncoming;
/**
 * Checks if the given value is a NodeOutgoingMessage.
 *
 * @param v - The value to check.
 * @returns True if the value is a NodeOutgoingMessage, false otherwise.
 */
export declare function isNodeOutgoingMessage(v: any): v is NodeOutgoingMessage;
/**
 * Checks if the given value is an HttpOutgoing instance.
 *
 * @param v - The value to check.
 * @returns True if the value is an HttpOutgoing instance, false otherwise.
 */
export declare function isHttpOutgoing(v: any): v is HttpOutgoing;